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Retired Moderator P
Joined: 22 Aug 2013
Posts: 1430
Location: India
What is the remainder when n^2 is divided by 6? (1) n is a prime numb  [#permalink]

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2 00:00

Difficulty:   15% (low)

Question Stats: 85% (01:02) correct 15% (01:21) wrong based on 33 sessions

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What is the remainder when n^2 is divided by 6?

(1) n is a prime number.

(2) n is an odd number.
Manager  G
Joined: 05 Feb 2016
Posts: 168
Location: India
Concentration: General Management, Marketing
WE: Information Technology (Computer Software)
Re: What is the remainder when n^2 is divided by 6? (1) n is a prime numb  [#permalink]

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amanvermagmat wrote:
What is the remainder when n^2 is divided by 6?

(1) n is a prime number.

(2) n is an odd number.

From1: n=2; n^2 remainder will be 4 when divided by 6
n=3; n^2 remainder will be 3 when divided by 6
Insufficient

From2: n=5; n^2 remainder will be 1 when divided by 6
n=3; n^2 remainder will be 3 when divided by 6
Insufficient

combining both
n=3; n^2 remainder will be 3 when divided by 6
n=7; n^2 remainder will be 1 when divided by 6

So E Re: What is the remainder when n^2 is divided by 6? (1) n is a prime numb   [#permalink] 02 Apr 2018, 08:49
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What is the remainder when n^2 is divided by 6? (1) n is a prime numb

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