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Two pumps are connected to a certain empty container at the

Two pumps are connected to a certain empty container at the same time. Pump X fills the container water at a constant rate, while pump Y drains water out of the container at a constant rate. The two...

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What is the probability of randomly picking a five-digit

What is the probability of randomly picking a five-digit number whose leftmost digit is 1 and units digit is 9 from all the odd five-digit numbers that have different digits?A. 1/80B. 1/40C. 1/25D....

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A sports team played 100 games last season. Did this team

A sports team played 100 games last season. Did this team win at least half of the games it played last season?(1) The team won 60% of its first 65 games last season.(2) The team won 60% of its last 65...

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During the first 11 months of a recent year...

During the first 11 months of a recent year, a certain charitable organization received an average of $20,600 per month in donations. How much did the organization receive in donations during December...

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How to solve quadratics when a does NOT equal 1

For example here: running-at-their-respective-constant-rates-machine-x-takes-98599.htmlI don't really get how can one quickly factor 5t^2-34t+24=0If a=1 it is easy a1*a2=c, a1+a2=-b, but what if...

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If x^2 < x and x is written as a terminating decimal,does x

If x^{2} < x and x is written as a terminating decimal, does x have a nonzero hundredths digit?(1) 10x is not an integer.(2) 100x is an integer.

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How many odd numbers between 10 and 1,000

How many odd numbers between 10 and 1,000 are the squares of integers? A. 12B. 13C. 14D. 15E. 16

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A certain bag contains only red balls, blue balls, and green

A certain bag contains only red balls, blue balls, and green balls. What percent of all the balls in the bag are red?(1) The ration of the number of red balls to the number of blue balls in the bag is...

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Of 60 children, 30 are happy, 10 are sad, and 20 are neither

Of 60 children, 30 are happy, 10 are sad, and 20 are neither happy nor sad. There are 20 boys and 40 girls. If there are 6 happy boys and 4 sad girls, how many boys are neither happy nor sad?(A) 2 (B)...

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Q31 GMATClub Test Result - Book Review Help!

hey all,I just took a GMATClub CAT (the free one) for the first time today and I was shocked at the difficulty of it. When I took the GMATPrep Cat in June right before I started studying, I also got a...

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Each of the digits 7,5,8,9,4 is used only once to form a 3-d

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Matt is touring a nation in which coins are issued in two am

Matt is touring a nation in which coins are issued in two amounts, 2 and 5, which are made of iron and copper, respectively. If Matt has ten iron coins and ten copper coins, how many different sums...

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225, or 15^2, is the first perfect square that begins with

225, or 15^2, is the first perfect square that begins with two 2s. What is the sum of the digits of the next perfect square to begin with two 2s?A. 9B. 12C. 13D. 14E. 17

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Brian plays a game in which two fair, six-sided dice are rol

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Let the function p(n) represent the product of the first n p

Let the function p(n) represent the product of the first n prime numbers, where n > 0. If x = p(n) + 1, which of the following must be true?(i) x is always odd(ii) x is always prime(iii) x is never...

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In the diagram to the right, equilateral triangle ADE is

Attachment:Untitled.pngIn the diagram to the right, equilateral triangle ADE is drawn inside square BCDE. A circle is then inscribed inside triangle ADE. What is the ratio of the area of the circle to...

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A collection of books went on sale, and 2/3 of them were sol

GMAT weekly questionsA collection of books went on sale, and 2/3 of them were sold for $2.50 each. If none of the 36 remaining books were sold, what was the total amount received for the books that...

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Fred goes to a seafood market to purchase lobsters

Fred goes to a seafood market to purchase lobsters. All the lobsters he buys cost either $4 or $5. If he buys a total of 25 lobsters, and spends $112, what fraction of the lobsters that he purchased...

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Compound Interest Problems

Compound Interest Problems ! This post is a part of the Special Questions Directory focusing on Quant topics traditionally neglected and not covered by conventional sources but still tested on the...

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Remainders and Divisibility

If n is a positive integer, what is the remainder when 3^"8n+3" + 2 is divided by 5?A.0B.1C.2D.3E.4

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