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If K is a 5-digit positive integer, is K divisible by 4?

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If K is a 5-digit positive integer, is K divisible by 4? [#permalink]

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New post 12 Apr 2018, 21:36
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If K is a 5-digit positive integer, is K divisible by 4?

(1) The tens digit and the units digit of K are 3 and 6, respectively.
(2) K is divisible by 12.
[Reveal] Spoiler: OA

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Re: If K is a 5-digit positive integer, is K divisible by 4? [#permalink]

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New post 12 Apr 2018, 22:04
Bunuel wrote:
If K is a 5-digit positive integer, is K divisible by 4?

(1) The tens digit and the units digit of K are 3 and 6, respectively.
(2) K is divisible by 12.


CONCEPT: A number will be divisible by 4 if last two digits of number are divisible by 4 e.e. 256 is divisible by 4 because 56 is divisible by 4

Question : is K divisible by 4?

Statement 1: The tens digit and the units digit of K are 3 and 6, respectively.

SInce last two digits of the number are 36 which is divisible by 4 therefore K will be divisible by 4

SUFFICIENT

Statement 2: K is divisible by 12

12 = 4*3 i.e. for a number to be divisible by 12 the number must be divisible by 4 and 3 both.

i.e. K is divisible by 4 hence

SUFFICIENT

Answer: option D
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Re: If K is a 5-digit positive integer, is K divisible by 4?   [#permalink] 12 Apr 2018, 22:04
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