NDA 2016 Mathematics question

A five-digit number divisible by 3 is to be formed using the digits 0, 1, 2, 3 and 4 without repetition of digits. What is the number of ways this can be done?

(A)96
(B)48
(C)32
(D)No number can be formedCorrect

Answer: (D)

Solution

Without repetition, a five-digit number must use all five digits 0, 1, 2, 3, 4, whose sum is 10. A number

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Question ID VK-028465