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In the figure AB and CD are two diameters of circle. Interse

In the figure AB and CD are two diameters of circle. Intersecting at angle 48 degree. E is any point on Arc CB. find angle CEBA 114B 100C 80D 96E 40

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If x and y are positive integers, and 4x^2=3y, then which of

If x and y are positive integers, and 4x^2=3y, then which of the following must be a multiple of 9?I) x^2II) y^2III) xyI onlyII onlyIII onlyI and II onlyI, II and IIIOE[Reveal] Spoiler: I) Since x is...

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A certain calculating machine has only three operation

A certain calculating machine has only three operation buttons, D, R and A. The D operation doubles the number the machine displays, the R operation subtracts 1 from the number the machine displays,...

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If a, b, and c are three positive integers, each greater

If a, b, and c are three positive integers, each greater than 1, what is the remainder when the product abc is divided by 2?(1) If each of a, b, and c is divided by 2, the product of all three...

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What is the least positive integer

What is the least positive integer that when divided by 3,6,9 leaves remainders of 2 in each case but is perfectly divisible by 11?A) 33B) 77C)110D) 121Besides plugging in, can you tell me if there is...

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What percent of 5 letter combinations that can be made from

What percent of 5 letter combinations that can be made from the letters of the word VERMONT and in which each letter can be used only once are the combinations in which the first letter is a vowel and...

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The remainder obtained by the division of two numbers

The remainder obtained by the division of two numbers by a common divisor are 33 and 47 respectively. However when the sum of these two numbers is divided by the same divisor, the remainder obtained is...

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A beekeeper has 200,000 bees living in six beehives. Among

A beekeeper has 200,000 bees living in six beehives. Among these beehives, the sizes of the beehives are proportional to the numbers of bees living in them. No beehive has less than 80% the number of...

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Set A contains three different positive odd integers and two

Set A contains three different positive odd integers and two different positive even integers; set B contains two different positive odd integers and three different positive even integers. If one...

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If the side length of a square is reduced by p percent, what

If the side length of a square is reduced by p percent, what is the resulting percent reduction in the area of the square?(A) \frac{p^2}{100}%(B) [1-\frac{p^2}{100}]^2%(C) [2p-\frac{p^2}{100}]%(D)...

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Twenty people at a meeting were born during the month of Sep

Twenty people at a meeting were born during the month of September, which has 30 days. The probability that at least two of the people in the room share the same birthday is closest to which of the...

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If the standard deviation of Set Y is 4, what are the

If the standard deviation of Set Y is 4, what are the greatest and least values that are within one standard deviation of the mean?(1) The median of Set Y is 5.(2) The mean of Set Y is 6.

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GMATPrep Quant Scoring

I know this has been posted here many times, but this scoring completely doesn't make sense to me. I just finished the second GMATPrep test and I scored a 44, but I missed only 10 while last week I...

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If a ≠ 0, is (1/a) > a/(b^4+3) ?

If A \neq 0, is\frac{1}{A}>\frac{A}{B^4+3} ?(1) A = B^2(2) A^2 = B^4

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Probability problem

Hi guys, by this time all I've done was read read read... but now I have to write, cause I can't find logical solution to this problem.Have been reading "Probability tutorial" by Walker here on forum,...

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Is x greater than 1?

Is x greater than 1?(1) (x^2+1)x > (x^2+1)(2) x^2 > x

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If the radius of the circle below (see attachment) is equal

If the radius of the circle below (see attachment) is equal to the chord AC and O is the centre of this circle, then what is the degree measure of angle ABC? (A) 25(B) 30(C) 40(D) 45(E) 50P.S. 10...

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If abc ≠ 0, is a < b < c ?

If abc 0, is a < b < c ?(1) 1/c < 1/b < 1/a(2) c > a[Reveal] Spoiler: C----------------------Can some one explain why we cannot do the following 1/c<1/b<1/a = c>b>a by taking...

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Gmat Club Tests -Quant 31,39 and 51-All in the same night

I got 31, 39 and 51 scores on quant, all in the same day on GMAT Club tests. Can someone please explain? Also is it a good idea to do these tests since i have 15 days left for my exam? (I scored 48-50...

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If W is divisible by 7, is Z even or odd? Z = W+1. W = 7.

If W is divisible by 7, is Z even or odd?Z = W+1.W = 7.can someone help me out with this ? i found this question in one of the question banks from gmatclub.I'm facing discrepancy between the answer...

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