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

What is the sum of all three-digit numbers that can be formed using all the digits 3, 4 and 5, when repetition of digits is not allowed ?

How any three digit odd numbers can be formed by using the digits 1,2,3,4,5,6 if; The repetition of digits is not allowed? The repetition of digits is allowed?

How any three digit odd numbers can be formed by using the digits 1,2,3,4,5,6 if,The repetition of digits is not allowed? The repetition of digits is allowed?

How many 3 digit odd numbers can be formed by using the digits 1,2,3,4,5,6 when the repetition of digits is not allowed?

How many 3-digit odd numbers can be formed by using the digits 1, 2, 3, 4, 5, 6 when (i) the repetition of digits is not allowed? (ii) the repetition of digits is allowed?

How many three-digit odd numbers can be formed by using the digits 0,1,2,3,4,5 ? If (i) the repetition of digits is not allowed (ii) the repetition of digits is allowed