GMAT Data Sufficiency
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Written by Take GMAT Team on February 27th, 2010 with no comments.
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If AB = 40, what is the value of AB(A + 2B)?
(1) A – B = -18.
(2) A( AB ) = 80.
As ans given “its B”
how A also satisfies the ans so it must be D
A-B = -18 and AB =40
so square(A+B )= square(A-B)+4AB
=> A+B = 22 not -22 as either A and B both [...]
Written by lafs26 on February 19th, 2010 with 5 comments.
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After adopting broadband internet access, wireless personal digital assistants, and super-fast home PCs, Weston Insurance has hired new employees, which doubles to 250 the junior staff in the claims department working from home.
A. which doubles to 250 the junior staff in the claims department
B. doubling to 250 the number of junior staff members in [...]
Written by Take GMAT Team on February 17th, 2010 with 48 comments.
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At a fruit stand yesterday, the price of each apple was $0.10 more than the price of each orange. What was the total revenue from the sale of oranges at the fruit stand yesterday?
(1) The number of oranges sold at the fruit stand yesterday was 5 more than the number of apples.
(2) The total revenue [...]
Written by GHCV on October 29th, 2008 with 25 comments.
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If k is a positive constant and y = |x – k| – |x + k|, what is the maximum value of y? (Contributed by JR)
(1) x < 0
(2) k = 3
A) Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
B) Statement 2 alone is sufficient but [...]
Written by Take GMAT Team on October 24th, 2008 with 28 comments.
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Color X ink is created by blending red, blue, green, and yellow inks in the ratio 6 : 5 : 2 : 2) What is the number of liters of green ink that was used to create a certain batch of color X ink?
(1) The amount of red ink used to create the batch is [...]
Written by Take GMAT Team on September 29th, 2008 with 37 comments.
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What is the value of the integer k?
(1) k + 3 > 0
(2) k^4 =< 0
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH [...]
Written by Take GMAT Team on September 27th, 2008 with 31 comments.
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If n > 0, which is greater, 20 percent of n or 10 percent of the sum of n and 05 ?
(1)) n < 01
(2)) n > 001
A ) Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient
B ) Statement (2) ALONE is sufficient, but statement (1) alone is not [...]
Written by Take GMAT Team on September 26th, 2008 with 18 comments.
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Tom, Jane, and Sue each purchased a new house. The average (arithmetic mean) price of the three houses was $120,000. What was the median price of the three houses?
(1) The price of Tom�s house was $110,000.
(2) The price of Jane�s house was $120,000.
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. [...]
Written by Take GMAT Team on September 25th, 2008 with 25 comments.
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