Question

If the number x3208 is divisible by 3, what can be the face value of x?

• A. 6
• B. 5
• C. 4
• D. 3

Answer 1

Answer:

B. 5

Sum of the digits of the number = (x + 3 + 2 + 0 + 8) = (x + 13) Among the options, for x = 5 we get, (x + 13) = (5 + 13) = 18 18 is divisible by 3, ∴ 53208 is divisible by 3 ∴ Face value of x is 5