If a is a 3-digit integer and b is a 3-digit integer…
December 18, 2017
GMAT OFFICIAL GUIDE DS Solution: We are given that a is a 3-digit integer and b is a 3-digit integer and need to determine whether the product of a …
Tag: data sufficiency
A certain mixture of paint requires blue, yellow, and red…
December 18, 2017
GMAT OFFICIAL GUIDE DS Solution: We are given the ratio: blue : yellow : red = 2x : 3x : x We need to determine if there is enough …
The only articles of clothing in a certain closet are shirts, dresses…
March 30, 2017
GMAT OFFICIAL GUIDE DS Solution: We are given that the ratio of shirts to dresses to jackets is 9 to 4 to 5. Thus: shirts : dresses : jackets …
If x is a positive integer, then is x prime? 1) 3x + 1 is prime 2) 5x…
March 30, 2017
GMAT OFFICIAL GUIDE DS Solution: We are given that x is a positive integer and must determine whether x is prime. Statement One Alone: 3x + 1 is prime. …
A group consisting of several families visited an amusement …
March 29, 2017
GMAT OFFICIAL GUIDE DS Solution: We are given that at an amusement park, regular admission fees were ¥5,500 for each adult and ¥4,800 for each child. However, a particular …
If x is a positive integer, what is the value…
March 29, 2017
GMAT OFFICIAL GUIDE DS Solution: We are given that x is a positive integer and must determine the value of √(x+24) – √x. Statement One Alone: √x is an …
Jazz and blues recordings accounted for 6 percent of…
March 29, 2017
GMAT OFFICIAL GUIDE DS Solution: We are given that the revenue from the sales of jazz and blues in 2000 accounted for 0.06 x (840 million) = 50.4 million …
On the number line, point R has coordinate r and point T has…
March 29, 2017
GMAT OFFICIAL GUIDE DS Solution: We are given that on the number line, point R has coordinate r and point T has coordinate t, and we need to determine …