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# Is r a multiple of s?

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Senior Manager
Joined: 02 Jan 2017
Posts: 307
Is r a multiple of s?  [#permalink]

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07 Mar 2017, 02:50
1
1
00:00

Difficulty:

(N/A)

Question Stats:

43% (01:11) correct 57% (00:00) wrong based on 10 sessions

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Is r a multiple of s?

(1) r + 2s is a multiple of s.

(2) 2r + s is a multiple of s.
Manager
Joined: 02 Aug 2015
Posts: 136
Re: Is r a multiple of s?  [#permalink]

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07 Mar 2017, 05:50
vikasp99 wrote:
Is r a multiple of s?

(1) r + 2s is a multiple of s.

(2) 2r + s is a multiple of s.

(1) r + 2s is a multiple of s -> r should definitely be a multiple of s as 2s is a multiple of s. - Sufficient.

(2) 2r + s is a multiple of s -> r need not be a multiple of s. E.g if r=3 and s=2, 2r is a multiple of s but not r. - Not sufficient.

Hence A.

Cheers!
Re: Is r a multiple of s? &nbs [#permalink] 07 Mar 2017, 05:50
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