How many 3-digit numbers can be formed by using the digits 1 to 9 if no digit is repeated?

How many 10-digit numbers can be formed by using digits 1 and 2

How many 10-digit numbers can be formed by using digits 1 and 2

How many 4-digit numbers can be formed by using the digits 1 to 9 if repetition of digits is not allowed?

How many 4 digits numbers can be formed from the digits 1 to 10 if not digit can be repeated.

How many three digit numbers can be formed using the digits from 1 to 5 ?

Find the number of 4-digit numbers that can be formed using the digits 1, 2, 3, 4, 5 if no digit is repeated. How many of these will be even?

Find the numbers of 4-digit numbers that can be formed using the digits, 1,2,3,4,5 if no digit is repeated ? How many of these will be even?

Number of 5-digit numbers can be formed using the digits 2,4,7,9,0 if no digit is repeated :

Find the number of 4 digit numbers that can be formed using the digits 1,2,3,4,5 if no digit is repeated. How many of these will be even?

How many 3-digit even numbers can be made using the digits 1,2,3,4,5,6,7 if no digits is repeated?