Aptitude - Numbers - Discussion

Discussion Forum : Numbers - General Questions (Q.No. 42)
42.
If the product 4864 x 9 P 2 is divisible by 12, then the value of P is:
2
5
6
8
None of these
Answer: Option
Explanation:

Clearly, 4864 is divisible by 4.

So, 9P2 must be divisible by 3. So, (9 + P + 2) must be divisible by 3.

P = 1.

Discussion:
31 comments Page 4 of 4.

Khushi said:   1 decade ago
since 12=4*3
so the whole no must be divisible by both 4 and 3.


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