If \(x\) and \(y\) are positive integers, is \(x^{16} - y^8 + 345y^2\) divisible by \(15?\)

This topic has expert replies
Legendary Member
Posts: 1622
Joined: 01 Mar 2018
Followed by:2 members

Timer

00:00

Your Answer

A

B

C

D

E

Global Stats

If \(x\) and \(y\) are positive integers, is \(x^{16} - y^8 + 345y^2\) divisible by \(15?\)

(1) \(x\) is a multiple of \(25,\) and \(y\) is a multiple of \(20.\)
(2) \(y = x^2\)

Answer: B

Source: GMAT Club Tests