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...
View ArticleWhat 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....
View ArticleA 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...
View ArticleDuring 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...
View ArticleHow 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...
View ArticleIf 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.
View ArticleHow 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
View ArticleA 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...
View ArticleOf 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)...
View ArticleQ31 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...
View ArticleEach of the digits 7,5,8,9,4 is used only once to form a 3-d
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View ArticleMatt 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...
View Article225, 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
View ArticleBrian plays a game in which two fair, six-sided dice are rol
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View ArticleLet 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...
View ArticleIn 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...
View ArticleA 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...
View ArticleFred 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...
View ArticleCompound 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...
View ArticleRemainders 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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