The total number of two digit numbers ' `n` ,such that `3^(n)+7^(n)` is a multiple of 10 ,is

n-digit number

Total number of two digit number n What is the value of n such that (3^n+7^n) is divisible by 10

The number of 'n' digit numbers such that no two consecutive digits are same is

The total number of 3-digit numbers, whose sum of digits is 10, is

The number of ordered pairs (m,n) (m,n epsilon {1,2,……..20}) such that 3^(m)+7^(n) is a multiple of 10, is

Find the total number of n -digit number (n>1) having property that no two consecutive digits are same.

The probability that a randomly selected 2-digit number belongs to the set { n in N: (2^(n)-2) is a multiple of 3} is equal to

Let n be a 5 digit number such that n=304a2 and 3|n then a=

The total number of five-digit numbers of different digits in which the digit in the middle is the largest is a.sum_(n=4)^(n)P_(4) b.33(3!) c.30(3!) d.none of these