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

Redeem

What is the units digit of \(36^y?\)

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Data Sufficiency |
Senior | Next Rank: 100 Posts
Posts: 31
Joined: Fri Jul 24, 2020 9:40 pm

Re: What is the units digit of \(36^y?\)

by dashingnightmare » Fri Jul 24, 2020 10:55 pm

Timer

00:00

Your Answer

A

B

C

D

E

Global Stats

What is the units digit of 36^y

(A) y is a positive integer.
Since for any positive integer unit digit will always remain 6, hence sufficient

(B) y is an even integer.
lets take y=0, unit digit will be 1,
y=2, unit digit =6
hence not sufficient
So, A is the correct choice
Top
Post new topic Post Reply
• Page 1 of 1