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Choose the correct option:
If the number 8k5 is divisible by 3, then k is equal to

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answer is B.

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Detailed Solution

A number N is divisible by 3 if the sum of its digits is divisible by 3.

∴ 8k5 = 8 + k + 5 = 13 + k

The nearest value of (13 + k) that is divisible by 3 is 15.

Therefore, 13 + k = 15

k = 15 - 13

k = 2

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