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 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

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