Question

Using digits 2,3,4,5,6 how many four digit number can be formed such that they are divisible by 3(reputations not allowed)

Answer 1

Answer:

However, 4325 is also a multiple of 625 in which the only digits used are in the set {2,3,4,5,6,7} and no digits are repeated. Therefore, there are 24−1=23 numbers that satisfy the given condition.

Step-by-step explanation:

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