How many different products can be obtained by multiplying two or more of the numbers 3, 5,7, 11 (without repetition)?

How many different numbers of six digits can be formed with the digits 3,1,7,0,9,5 (without repetition) (i) How many of them are divisible by 10 (ii)How many of them will have zero in the ten's place ?

How many different 3-digit numbers can be formed by using the digits 0, 2, 5 without repeating any digit in the number?

How many different 4-digit number can be formed with the digits 1,2,3,4 without any repetition ? Also find their sum.

How many numbers can be formed with digits 3,4,6,and 8 without repetition ?

How many different numbers of six digits each can be formed from the digits 4, 5, 6, 7, 8, 9 when repetition of digits is not allowed?

How many different numbers of six digits each can be formed from the digits 4, 5, 6, 7, 8, 9 when repetition of digits is not allowed?

How many different numbers of six digits can be formed from the digits 3,1,7,0,9,5 when repetition of digits is not allowed?

1, 2, 3, 4 are four numbers. How many numbers can be made using all four numbers without repetition?

How many three digit can be formed using the digits 1, 2, 3, 4, 5, without repetition of digits? How many of these are even?

How many different five –digit number licence plates can be made if First digit cannot be zero and the repetition of digits is not allowed, The first digit cannot be zero, but the repetition of digits is allowed?