What is the remainder when 32^(32)^(32) . . . . .

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

by M7MBA » Mon Feb 26, 2018 1:54 am

What is the remainder when 32^(32)^(32) is divided by 7?

A. 5
B. 4
C. 2
D. 0
E. 1

The OA is the option B.

How can I know which of the numbers is the remainder? Is there an easy way? Experts, may you help me?

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Source: Beat The GMAT — Problem Solving | Mon Feb 26, 2018 1:54 am

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