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If n and s are each 2-digit positive integers, is n greater than s ?

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If n and s are each 2-digit positive integers, is n greater than s ?  [#permalink]

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New post 20 Oct 2019, 01:51
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A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

93% (00:35) correct 7% (00:34) wrong based on 28 sessions

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Location: India
Concentration: Entrepreneurship, Marketing
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Re: If n and s are each 2-digit positive integers, is n greater than s ?  [#permalink]

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New post 20 Oct 2019, 02:03
Bunuel wrote:
If n and s are each 2-digit positive integers, is n greater than s ?

(1) The units digit of n is greater than the units digit of s.
(2) The tens digit of n is greater than the tens digit of s.


(1) The units digit of n is greater than the units digit of s.
Case 1: (n, s) = (17, 22) --> n < s
Case 2: (n, s) = (27, 22) --> n > s
--> Two outcomes are possible --> Insufficient

(2) The tens digit of n is greater than the tens digit of s.
Case 1: (n, s) = (37, 22) --> n > s
Case 2: (n, s) = (31, 22) --> n > s
--> n is always greater than s --> Sufficient

IMO Option B
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Re: If n and s are each 2-digit positive integers, is n greater than s ?   [#permalink] 20 Oct 2019, 02:03
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If n and s are each 2-digit positive integers, is n greater than s ?

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