How many numbers can be formed fro the digits 1,2,3 and 9, if repetition of digits is not allowed?

How many numbers can be formed from the digits 1,2,3 and 9, if repetition of digits is not allowed?

How many numbers can be formed from the digits 1,2,3 and 9 if repetition of digits is not allowed?

How many numbers can be formed from the digits 1, 2, 3, 9 if repetition of digits is not allowed ?

How many numbers can be formed from digits 1, 3, 5, 9 if repetition of digits is not allowed?

How many 2- digits numbers can be formed from the digits 8,1,3,5 and 4 assuming repetitions of digits is not allowed?

How many three-digit even numbers can be formed using the digits 1, 2, 3, 4 and 5 when repetition of digits is not allowed ?

How many 4-digit number can be formed with the digit 1, 2, 3, 4, 6 and 8 if repetition of digits is not allowed.

How many 5-digit prime numbers can be formed using the digits 1, 2, 3, 4, 5 if the repetition of digits is not allowed?

How many 2- digits numbers can be formed from the digits 8,1,3,5 and 4 assuming repetition of digits is allowed?