tag:blogger.com,1999:blog-47464261888121096462012-02-15T03:05:40.299-05:00Got a GMAT or GRE math question? Email me and I'll explain it!ggnoreply@blogger.comBlogger369125tag:blogger.com,1999:blog-4746426188812109646.post-33570398806495814032011-05-23T14:10:00.001-04:002011-05-23T14:10:00.234-04:002011-05-23T14:10:00.234-04:00ggnoreply@blogger.com1A rectangular shed has a perimeter of 40 meters and a diagonal length of 15 meters. What is the area of the shed in square meters?(A) 120(B) 106.5(C) 93.5(D) 87.5(E) 80Let's say the width of the...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/2iU29G59U48KEaaPS4m5XUaYJkw/0/da"><img src="http://feedads.g.doubleclick.net/~a/2iU29G59U48KEaaPS4m5XUaYJkw/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/2iU29G59U48KEaaPS4m5XUaYJkw/1/da"><img src="http://feedads.g.doubleclick.net/~a/2iU29G59U48KEaaPS4m5XUaYJkw/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/0tPfkMiPvo0" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/05/q-358-gmat-gre-word-problem.htmltag:blogger.com,1999:blog-4746426188812109646.post-90524438595778601182011-05-18T14:00:00.000-04:002011-05-18T14:00:03.337-04:002011-05-18T14:00:03.337-04:00ggnoreply@blogger.com0Let A, B, C, and D be digits 0-9. If AB and CD represent two 2-digit numbers, is (AB)(CD) odd?(1) A + C = 9(2) B + D = 9The product of two numbers is odd only when both numbers are odd. And since...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/CooAdTsAuagK0bwEjCwZp_1dhrQ/0/da"><img src="http://feedads.g.doubleclick.net/~a/CooAdTsAuagK0bwEjCwZp_1dhrQ/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/CooAdTsAuagK0bwEjCwZp_1dhrQ/1/da"><img src="http://feedads.g.doubleclick.net/~a/CooAdTsAuagK0bwEjCwZp_1dhrQ/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/yiKYD_7posI" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/05/q-357-gmat-data-sufficiency.htmltag:blogger.com,1999:blog-4746426188812109646.post-49612496131911574872011-05-14T14:39:00.000-04:002011-05-14T14:39:00.122-04:002011-05-14T14:39:00.122-04:00ggnoreply@blogger.com0a and b are positive integers and [(a1/4)(b1/3)]12 = 2000. What is a+b?(A) 200(B) 108(C) 50(D) 12(E) 7The expression [(a1/4)(b1/3)]12 can be rewritten as [(a3)(b4)]. To determine the values of a...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/yB_xUK_J5ify_OHQFZO7XihtiCI/0/da"><img src="http://feedads.g.doubleclick.net/~a/yB_xUK_J5ify_OHQFZO7XihtiCI/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/yB_xUK_J5ify_OHQFZO7XihtiCI/1/da"><img src="http://feedads.g.doubleclick.net/~a/yB_xUK_J5ify_OHQFZO7XihtiCI/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/mqfVfxWSYKA" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/05/q-356-gmat-gre-factoring.htmltag:blogger.com,1999:blog-4746426188812109646.post-80968151630662425252011-05-10T15:48:00.000-04:002011-05-10T15:48:01.422-04:002011-05-10T15:48:01.422-04:00ggnoreply@blogger.com0Suppose a, b, and c are positive numbers, and a/b = 4, b/c = 3. What is (a+2b+3c)/(a+b+c)?(A) 21/16(B) 19/16(C) 17/12(D) 17/8(E) 11/8We can replace a and b with expressions in terms of c. Since b/c...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/oNq_iK2OG1iitG0wl56GiEx3dTw/0/da"><img src="http://feedads.g.doubleclick.net/~a/oNq_iK2OG1iitG0wl56GiEx3dTw/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/oNq_iK2OG1iitG0wl56GiEx3dTw/1/da"><img src="http://feedads.g.doubleclick.net/~a/oNq_iK2OG1iitG0wl56GiEx3dTw/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/uAhVwJ1VgTs" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/05/q-355-gmat-gre-algebra.htmltag:blogger.com,1999:blog-4746426188812109646.post-57221315421344313262011-05-06T13:57:00.000-04:002011-05-06T13:57:00.190-04:002011-05-06T13:57:00.190-04:00ggnoreply@blogger.com0What is the largest integer x such that 37x54x divides evenly into 4547?(A) 12(B) 11(C) 10(D) 8(E) 7Note that 4547 = (325)47 = 394547.37x54x will divide evenly into 394547 so long as 7x ≤ 94 and 4x ≤...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/OjD-mwV8Nf8x2w6C9uVHIg-jsas/0/da"><img src="http://feedads.g.doubleclick.net/~a/OjD-mwV8Nf8x2w6C9uVHIg-jsas/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/OjD-mwV8Nf8x2w6C9uVHIg-jsas/1/da"><img src="http://feedads.g.doubleclick.net/~a/OjD-mwV8Nf8x2w6C9uVHIg-jsas/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/iO-gDNrmSJQ" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/05/q-354-gmat-gre-exponents.htmltag:blogger.com,1999:blog-4746426188812109646.post-72873735279824987252011-05-02T13:18:00.000-04:002011-05-02T13:18:00.192-04:002011-05-02T13:18:00.192-04:00ggnoreply@blogger.com0A cube's surface area in square centimeters is 3 times its volume in cubic centimeters. What is the side length of the cube?(A) 1 cm(B) 1.5 cm(C) 2 cm(D) 2.4 cm(E) 3 cmLet's call the side length of...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/eTqHIZr69aXfvGYMazWhMpSa-EY/0/da"><img src="http://feedads.g.doubleclick.net/~a/eTqHIZr69aXfvGYMazWhMpSa-EY/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/eTqHIZr69aXfvGYMazWhMpSa-EY/1/da"><img src="http://feedads.g.doubleclick.net/~a/eTqHIZr69aXfvGYMazWhMpSa-EY/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/6x9OzdoG08U" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/05/q-353-gmat-gre-geometry.htmltag:blogger.com,1999:blog-4746426188812109646.post-21325592745514468322011-04-29T12:22:00.000-04:002011-04-29T12:22:00.354-04:002011-04-29T12:22:00.354-04:00ggnoreply@blogger.com2Ellen invites 5 people to dinner, 2 women and 3 men. If Ellen's dining table is circular and the guests choose their seats at random around her table, what is the probability that no female is...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/YpjQDrsXKpky25KJJfSJqvock2M/0/da"><img src="http://feedads.g.doubleclick.net/~a/YpjQDrsXKpky25KJJfSJqvock2M/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/YpjQDrsXKpky25KJJfSJqvock2M/1/da"><img src="http://feedads.g.doubleclick.net/~a/YpjQDrsXKpky25KJJfSJqvock2M/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/l7afYiHPl9Q" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/04/q-352-gmat-gre-word-problem.htmltag:blogger.com,1999:blog-4746426188812109646.post-83392124102118031562011-04-25T12:53:00.000-04:002011-04-25T12:53:01.012-04:002011-04-25T12:53:01.012-04:00ggnoreply@blogger.com0(Col A) (4 + |x|4)/(-2 - |x|7)(Col B) (-2 - |x|4)/(-4 - |x|2)Regardless of what the values of x is the quantity |x| is always positive. The quantities -2 - |x|7, -2 - |x|4, and -4 - |x|2 are always...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/H0_sxqbEpMlnl-Iv7iTd7IWwH4A/0/da"><img src="http://feedads.g.doubleclick.net/~a/H0_sxqbEpMlnl-Iv7iTd7IWwH4A/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/H0_sxqbEpMlnl-Iv7iTd7IWwH4A/1/da"><img src="http://feedads.g.doubleclick.net/~a/H0_sxqbEpMlnl-Iv7iTd7IWwH4A/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/ZrrCSHooBRI" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/04/q-351-gre-quantitative-comparison.htmltag:blogger.com,1999:blog-4746426188812109646.post-3202506703286878962011-04-21T13:25:00.001-04:002011-04-22T20:26:26.981-04:002011-04-22T20:26:26.981-04:00ggnoreply@blogger.com1If x and y are unequal, what is the value of xy?(1) x3 + y = 11x(2) y3 + x = 11yAs the two statements are symmetric, it is not possible that (1) is sufficient on its own but (2) is insufficient, and...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/jnZSeaqdr9mVAWAnuBRBP8IoEaI/0/da"><img src="http://feedads.g.doubleclick.net/~a/jnZSeaqdr9mVAWAnuBRBP8IoEaI/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/jnZSeaqdr9mVAWAnuBRBP8IoEaI/1/da"><img src="http://feedads.g.doubleclick.net/~a/jnZSeaqdr9mVAWAnuBRBP8IoEaI/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/2OPlmaeKT_Y" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/04/q-350-gmat-data-sufficiency.htmltag:blogger.com,1999:blog-4746426188812109646.post-58883210016345892132011-04-17T14:18:00.001-04:002011-04-17T14:18:00.207-04:002011-04-17T14:18:00.207-04:00ggnoreply@blogger.com0How many integers between 10 and 1000 are divisible by 6 and palindromes? (Palindromic numbers are the same written forwards and backwards.)(A) 24(D) 22(C) 18(D) 14(E) 12A number that is divisible...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/PjMEmluJ3HiYee5N5WrzO2E7Ubw/0/da"><img src="http://feedads.g.doubleclick.net/~a/PjMEmluJ3HiYee5N5WrzO2E7Ubw/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/PjMEmluJ3HiYee5N5WrzO2E7Ubw/1/da"><img src="http://feedads.g.doubleclick.net/~a/PjMEmluJ3HiYee5N5WrzO2E7Ubw/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/AuVF1o45jzs" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/04/q-349-gmat-gre-problem-solving.htmltag:blogger.com,1999:blog-4746426188812109646.post-746259121807647742011-04-13T13:14:00.000-04:002011-04-13T13:14:00.332-04:002011-04-13T13:14:00.332-04:00ggnoreply@blogger.com0If x and y are negative integers and z is a positive integer greater than 1, which of the following expressions are never integers?(i) sqrt(xy + z)(ii) z^(x+y)(iii) (z + 0.5)/(x + y + 0.5)(A) i(B) i...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/xMEsRtqxafX__jFcWxalIoXdo7k/0/da"><img src="http://feedads.g.doubleclick.net/~a/xMEsRtqxafX__jFcWxalIoXdo7k/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/xMEsRtqxafX__jFcWxalIoXdo7k/1/da"><img src="http://feedads.g.doubleclick.net/~a/xMEsRtqxafX__jFcWxalIoXdo7k/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/fqFVfOEWCoA" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/04/q-348-gmat-gre-number-properties.htmltag:blogger.com,1999:blog-4746426188812109646.post-49605616849071841542011-04-08T13:21:00.000-04:002011-04-08T13:21:00.187-04:002011-04-08T13:21:00.187-04:00ggnoreply@blogger.com0An isosceles triangle T has a perimeter of 14 and integer side lengths. For all the possible triangular shapes of T, what is the range of their areas?(A) 3.5(B) sqrt(7)(C) 2sqrt(21) - sqrt(35)(D)...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/nTVmFte9zAQwMzhnxUCaAJYaqEc/0/da"><img src="http://feedads.g.doubleclick.net/~a/nTVmFte9zAQwMzhnxUCaAJYaqEc/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/nTVmFte9zAQwMzhnxUCaAJYaqEc/1/da"><img src="http://feedads.g.doubleclick.net/~a/nTVmFte9zAQwMzhnxUCaAJYaqEc/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/WsZmY0y__ug" height="1" width="1"/>http://gmatgremath.blogspot.com/2010/08/q-347-gmat-gre.htmltag:blogger.com,1999:blog-4746426188812109646.post-37870982157104104722011-04-04T13:02:00.000-04:002011-04-04T13:02:00.161-04:002011-04-04T13:02:00.161-04:00ggnoreply@blogger.com0Rectangle R has a perimeter of 14 and integer side lengths. What is the average area of all the possible rectangular shapes of R?(A) 14(B) 8(C) 33/4(D) 28/3(E) 15/2There are only 3 possible shapes...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/UZdJxf5t7uhhaluqd-AWVrbnkdw/0/da"><img src="http://feedads.g.doubleclick.net/~a/UZdJxf5t7uhhaluqd-AWVrbnkdw/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/UZdJxf5t7uhhaluqd-AWVrbnkdw/1/da"><img src="http://feedads.g.doubleclick.net/~a/UZdJxf5t7uhhaluqd-AWVrbnkdw/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/88iaGwLIGEE" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/04/q-346-gmat-gre-averages-and-perimeter.htmltag:blogger.com,1999:blog-4746426188812109646.post-60734926705154164482011-03-31T12:01:00.002-04:002011-03-31T12:01:00.202-04:002011-03-31T12:01:00.202-04:00ggnoreply@blogger.com0If x ≠ y and x2 - 4x = 2xy - y2 - 4y, which of the following must be true?(A) x - y = 4(B) x2 + y2 = 16(C) x = 2y(D) 4x + 4y = xy(E) 4x = y2For this problem, we need to find the answer choices that...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/rsg3-7IU7oOphTjkPNATVJy4Bw0/0/da"><img src="http://feedads.g.doubleclick.net/~a/rsg3-7IU7oOphTjkPNATVJy4Bw0/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/rsg3-7IU7oOphTjkPNATVJy4Bw0/1/da"><img src="http://feedads.g.doubleclick.net/~a/rsg3-7IU7oOphTjkPNATVJy4Bw0/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/m74Q706XWSc" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/03/q-345-gmat-gre-algebra.htmltag:blogger.com,1999:blog-4746426188812109646.post-26678887295370052172011-03-27T13:02:00.000-04:002011-03-27T13:02:00.879-04:002011-03-27T13:02:00.879-04:00ggnoreply@blogger.com0p, q, and r are distinct prime numbers. Is pqr an even number?(1) p+q = r(2) r = 13The question is really asking if one of the numbers p, q, or r equals 2, since 2 is the only number that is both...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/OTUYUCexqzL2KS-qulKLhRsJcxg/0/da"><img src="http://feedads.g.doubleclick.net/~a/OTUYUCexqzL2KS-qulKLhRsJcxg/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/OTUYUCexqzL2KS-qulKLhRsJcxg/1/da"><img src="http://feedads.g.doubleclick.net/~a/OTUYUCexqzL2KS-qulKLhRsJcxg/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/4FC_-Rbafbk" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/03/q-344-gmat-data-sufficiency.htmltag:blogger.com,1999:blog-4746426188812109646.post-32738306866489824362011-03-23T12:43:00.000-04:002011-03-23T12:43:00.759-04:002011-03-23T12:43:00.759-04:00ggnoreply@blogger.com0(15^x)(6^y)(10^z) = (5^8)(3^9)(2^11). What is x+y+z? ... Note that(15^x)(6^y)(10^z) = (5^x)(3^x)(3^y)(2^y)(5^z)(2^z)= [5^(x+z)][3^(x+y)][2^(y+z)]So we havex+z = 8x+y = 9y+z = 11If we add all the...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/HHkHxqdEysUoFnXWmoUgHWrcRZs/0/da"><img src="http://feedads.g.doubleclick.net/~a/HHkHxqdEysUoFnXWmoUgHWrcRZs/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/HHkHxqdEysUoFnXWmoUgHWrcRZs/1/da"><img src="http://feedads.g.doubleclick.net/~a/HHkHxqdEysUoFnXWmoUgHWrcRZs/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/iWu87Hw-ZzA" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/03/q-343-73-gre-numeric-entry.htmltag:blogger.com,1999:blog-4746426188812109646.post-43883728744249254002011-03-19T12:40:00.000-04:002011-03-19T12:40:00.243-04:002011-03-19T12:40:00.243-04:00ggnoreply@blogger.com0It takes Hal X minutes to swim Y meters, and it takes Sally X minutes to swim 1.5Y meters. Hal and Sally swim a relay race of 5Y meters where Sally swims for twice as much time as Hal. How much of...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/WeU46obeUiz97H61iQGK7lBmAdY/0/da"><img src="http://feedads.g.doubleclick.net/~a/WeU46obeUiz97H61iQGK7lBmAdY/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/WeU46obeUiz97H61iQGK7lBmAdY/1/da"><img src="http://feedads.g.doubleclick.net/~a/WeU46obeUiz97H61iQGK7lBmAdY/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/i1theVOQIaw" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/03/q-342-gmat-gre-word-problem-with.htmltag:blogger.com,1999:blog-4746426188812109646.post-16070344376807829752011-03-14T13:27:00.002-04:002011-03-14T13:27:00.733-04:002011-03-14T13:27:00.733-04:00ggnoreply@blogger.com0x and y are integers and (x-4)(y-3) = 1.(Col A) 2.5xy(Col B) x2 + y2If x and y are integers, then so are x-4 and y-3. Thus, there are only a finite number of solution sets to this equation. In...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/nlTszoYin47i_yVBPvp6IC7fGew/0/da"><img src="http://feedads.g.doubleclick.net/~a/nlTszoYin47i_yVBPvp6IC7fGew/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/nlTszoYin47i_yVBPvp6IC7fGew/1/da"><img src="http://feedads.g.doubleclick.net/~a/nlTszoYin47i_yVBPvp6IC7fGew/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/iZKT173suA8" height="1" width="1"/>http://gmatgremath.blogspot.com/2010/03/q-341-gre-quantitative-comparison.htmltag:blogger.com,1999:blog-4746426188812109646.post-36961930789663913742011-03-10T13:29:00.002-05:002011-03-10T13:29:01.242-05:002011-03-10T13:29:01.242-05:00ggnoreply@blogger.com0Jill has 25% more money in savings than Dan. If Jill gave Dan $7000, Jan would have 20% less than Dan. How much more money does Jill have than Dan?(A) $8400(B) $7000(C) $1750(D) $1400(E) $1000Let...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/UIvZhugoU5t0s8CWJdxIfGlnUio/0/da"><img src="http://feedads.g.doubleclick.net/~a/UIvZhugoU5t0s8CWJdxIfGlnUio/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/UIvZhugoU5t0s8CWJdxIfGlnUio/1/da"><img src="http://feedads.g.doubleclick.net/~a/UIvZhugoU5t0s8CWJdxIfGlnUio/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/98b2y6gceiw" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/03/q-340-gmat-gre-proportions.htmltag:blogger.com,1999:blog-4746426188812109646.post-47672412139044567612011-03-06T13:00:00.000-05:002011-03-06T13:00:04.800-05:002011-03-06T13:00:04.800-05:00ggnoreply@blogger.com0If |x| + |y| ≤ x|y-3|, which of the following must be true?(i) x is not negative(ii) |4x+y| ≤ |xy|(iii) |-x| + |y| ≤ |3x-xy|(A) i(B) i and iii(C) ii(D) ii and iii(E) i, ii, and iiiStatement (i) is...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/mj_ceQnKRJQGPiRiZxuqzOin4tU/0/da"><img src="http://feedads.g.doubleclick.net/~a/mj_ceQnKRJQGPiRiZxuqzOin4tU/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/mj_ceQnKRJQGPiRiZxuqzOin4tU/1/da"><img src="http://feedads.g.doubleclick.net/~a/mj_ceQnKRJQGPiRiZxuqzOin4tU/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/69DvOxQ7AjU" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/03/q-339-gmat-gre-inequalities-and.htmltag:blogger.com,1999:blog-4746426188812109646.post-9387756108252750402011-03-02T13:00:00.000-05:002011-03-02T13:00:02.977-05:002011-03-02T13:00:02.977-05:00ggnoreply@blogger.com0A company has 160 employees. 40% of the employees are part-time, and 30% of the employees are female. How many more full-time male employees are there than part-time female employees?(A) 48(B)...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/oXPQtyyGSoZS61Qjoaxh8KzG6lg/0/da"><img src="http://feedads.g.doubleclick.net/~a/oXPQtyyGSoZS61Qjoaxh8KzG6lg/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/oXPQtyyGSoZS61Qjoaxh8KzG6lg/1/da"><img src="http://feedads.g.doubleclick.net/~a/oXPQtyyGSoZS61Qjoaxh8KzG6lg/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/V7Jlp4lfz1k" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/03/q-338-gmat-gre-word-problem.htmltag:blogger.com,1999:blog-4746426188812109646.post-15083769633010554182011-02-27T13:00:00.000-05:002011-02-27T13:00:04.759-05:002011-02-27T13:00:04.759-05:00ggnoreply@blogger.com0If (4x+y)(x+4y) = 25xy + 400, what is the value of |x-y|?(A) 10(B) 12(C) 20(D) 24(E) 25Since (4x+y)(x+4y) = 4x2 + xy + 16xy + 4y2, we have4x2 + 17xy + 4y2 = 25xy + 4004x2 - 8xy + 4y2 = 400(2x-2y)2 =...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/Sn5fLmlXreUUGGcwiI9eXR6CPHU/0/da"><img src="http://feedads.g.doubleclick.net/~a/Sn5fLmlXreUUGGcwiI9eXR6CPHU/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/Sn5fLmlXreUUGGcwiI9eXR6CPHU/1/da"><img src="http://feedads.g.doubleclick.net/~a/Sn5fLmlXreUUGGcwiI9eXR6CPHU/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/C3kesRlB4V4" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/02/q-337-gmat-gre-algebra.htmltag:blogger.com,1999:blog-4746426188812109646.post-48494220417611560032011-02-23T13:39:00.000-05:002011-02-23T13:39:00.161-05:002011-02-23T13:39:00.161-05:00ggnoreply@blogger.com0R, U, and T are numbers greater than 2. Is R/(UT) greater than 4?(1) R/U + R/T is not greater than 8(2) R/(U-T) is not less than 9Statement 1 can be rearranged as follows:R/U + R/T ≤ 8UT(R/U + R/T) ≤...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/G1s1drPHefECm1fCHjZ1YVaLRf0/0/da"><img src="http://feedads.g.doubleclick.net/~a/G1s1drPHefECm1fCHjZ1YVaLRf0/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/G1s1drPHefECm1fCHjZ1YVaLRf0/1/da"><img src="http://feedads.g.doubleclick.net/~a/G1s1drPHefECm1fCHjZ1YVaLRf0/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/IRweI0NStvA" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/02/q-336-gmat-data-sufficiency.htmltag:blogger.com,1999:blog-4746426188812109646.post-75286756932641244982011-02-18T13:30:00.000-05:002011-02-18T13:30:01.795-05:002011-02-18T13:30:01.795-05:00ggnoreply@blogger.com0The figure above shows three mutually tangent circles. The largest circle has a radius of 3, the medium sized circle has a radius of 2, and the smallest circle has a radius of 1. If the centers of...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/R5G62EYm3HRUiGrCdxWRYkxMkJg/0/da"><img src="http://feedads.g.doubleclick.net/~a/R5G62EYm3HRUiGrCdxWRYkxMkJg/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/R5G62EYm3HRUiGrCdxWRYkxMkJg/1/da"><img src="http://feedads.g.doubleclick.net/~a/R5G62EYm3HRUiGrCdxWRYkxMkJg/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/dLQhcyS_Dds" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/02/q-335-gmat-gre-geometry.htmltag:blogger.com,1999:blog-4746426188812109646.post-18357192764627741432011-02-14T13:17:00.001-05:002011-02-14T13:17:00.611-05:002011-02-14T13:17:00.611-05:00ggnoreply@blogger.com0The operation # is defined by the equation a#b = ab/(1 + |a-b|). If x#5 ≤ x, which of the following is true of x?(A) 1 ≤ x ≤ 9(B) 0 ≤ x ≤ 1(C) x ≤ 1(D) 0 ≤ x ≤ 1 or x ≥ 9(E) x ≥ 9If x#5 ≤ x, then...<br/> <br/> Go to http://gmatgremath.blogspot.com for the full problem and solution. <p><a href="http://feedads.g.doubleclick.net/~a/UYg1PwBTGgjpC60a6O6-ljAxB4E/0/da"><img src="http://feedads.g.doubleclick.net/~a/UYg1PwBTGgjpC60a6O6-ljAxB4E/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/UYg1PwBTGgjpC60a6O6-ljAxB4E/1/da"><img src="http://feedads.g.doubleclick.net/~a/UYg1PwBTGgjpC60a6O6-ljAxB4E/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/blogspot/gmatgremath/~4/Vph_LIRqbHc" height="1" width="1"/>http://gmatgremath.blogspot.com/2011/02/q-334-gmat-gre-symbols-and-inequalities.html