gmatophobia wrote:
DS Question 1 - Mar 24 For every dollar of sales charged to a certain bank credit card, a department store must pay $0.003 to the bank that issued the credit card. What percentage of the department store’s sales transactions last month were credit card transactions? (1) The store made 2,000 sales last month. (2) The store took in a total of $250,000 last month and paid $300 to the bank that issued the credit card. Source: Princeton Review | Difficulty: Hard
gmatophobia wrote:
PS Question 1 - Mar 24 For a certain set of numbers, if x is in the set, then both -x^2 and -x^3 are also in the set. If the number 1/2 is in the set, which of the following must also be in the set ? I. -1/64 II. 1/64 III. 1/2^(1/3) A. I only, B. II only, C. III only, D. I and II only E. I, II and III Source:
GMAT Club Tests | Difficulty: Hard
DS Question 1 - Mar 253 siblings - Alan, Betty and Carl - were the only ones to receive part of a $300,000 inheritance. Did any of the three receive more than forty percent of the total inheritance?
1) Carl received a larger inheritance than Alan and a larger inheritance than Betty.
2) The combined total of Alan’s and Betty’s inheritances was equal to three times Betty’s inheritance.
Source: EMPOWERGmat | Difficulty: Hard
PS Question 1 - Mar 25x and y are positive integers. When 16x is divided by y, the quotient is x, and the remainder is 4. What is the sum of all possible y-values?
A) 7
B) 12
C) 19
D) 26
E) 41
Source: GMAT Prep Now | Difficulty: Hard