The sum of the digits of \([(10^x)^y]-64=279.\) What is the value of \(xy?\)

BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

M7MBA: Moderator; Posts: 2058; Joined: Sun Oct 29, 2017 4:24 am; Thanked: 1 times; Followed by:5 members

by M7MBA » Thu Jul 22, 2021 7:42 am

Timer

00:00

The sum of the digits of \([(10^x)^y]-64=279.\) What is the value of \(xy?\)

A. 28
B. 29
C. 30
D. 31
E. 32

Answer: E

Source: Veritas Prep

Source: Beat The GMAT — Problem Solving | Thu Jul 22, 2021 7:42 am

• Page 1 of 1