other Exam Numerical Ability

How many six digit numbers contain exactly four different digits..?

Read Solution (Total 0)

other Other Question

The number of positive integers n in range of 12<=n<=40 such that the product (n-1)(n-2).............3,2,1 is not divisible by n is- What is the largest integer value of n which makes n^7+1 divisible by n+7 ?