Question 63

What is the value of k such that number 72k460k is divisible by 6?

Solution

Given, 72k460k is divisible by 6.

72k460k is divisible by both 2 and 3.

So, k is even and sum of the digits is divisible by 3.

(7 + 2 + k + 4 + 6 + 0 + k = 19 + 2k) is divisible by 3.

since k is even, the only possibility is k = 4.

Hence, the correct answer is Option A

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