Let S be the set of all positive integers n such that n^2 is a multiple of both 24 and 108. Which of the following integers are divisors of every integer n in S? Indicate ALL such integers. a) 12 b) 24 c) 36 d) 72 Solution: A, C Explanation It is given that n2 is a multiple of both 24 and 108. So the least such n2 will be nothing but the LCM of 24 and … [Read more...] about More than one answer – Number Properties
GRE Number Properties
Quantitative Comparison – Number Properties & Theory
Compare Quantity A and Quantity B, using additional information centered above the two quantities if such information is given, and select one of the following four answer choices: (A) Quantity A is greater. (B) Quantity B is greater. (C) The two quantities are equal. (D) The relationship cannot be determined from the information given. N = … [Read more...] about Quantitative Comparison – Number Properties & Theory