How many different numbers (without repetition of digits) can be formed from the digits 1, 3, 5, 7, 9 when taken all at a time and what is their sum ?

How many different numbers can be formed with the digit 1,3,5,7 ,9 when taken all at a time and, what is their sum?

How many even numbers of 5 digits without repetition can be formed with the digits 1,2,3,4 and 5.

How many even numbers of 5 digits without repetition can be formed with the digits 1,2,3,4 and 5.

Without reptition how many 4 digit numbers can be formed with the digits 1,3,5,7,9?

How many different numbers of 4 digits can be formed from the digits 0, 1, 2, ...9 if repetition is allowed.

How many different numbers of 4 digits can be formed from the digits 0, 1, 2, ...9 if repetition is allowed.

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

How many different numbers of six digits can be formed with the digits 3,1,7,0,9, 5 ?

How many different number of 4 digits each (without repetition of digits) can be formed with the digits 0,1,2,3,4,5,6 so that the digits in each number are in the ascending order?

How many different number of 4 digits each (without repetition of digits) can be formed with the digits 0,1,2,3,4,5,6 so that the digits in each number are in the descending order