How many odd numbers less than 1000 can be formed by using the digits 0, 2, 5, 7 when the repetition of digits is allowed?

How many odd numbers less than 1000 can be formed by using the digit 0,2,5,7 when the repetition of digits is allowed?

How many odd numbers less than 1000 can be formed by using the digits 0, 3, 5, 7 when repetition of digits are not allowed.

How many odd numbers less than 1000 can be formed using the digits 0,4,5,7 if (i) repetition of digits is allowed? (ii) repetition of digits is not allowed?

How many odd numbers less than 1000 can be formed using the digits 0, 1, 4, and 7 if repetition of digits is allowed?

How many odd numbers less than 1000 can be formed using the digits 0, 1, 4, and 7 if repetition of digits is allowed?

How many odd numbers less than 1000 can be formed using the digits 0,2,5, 7, repetitions of digits are 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 the repetition of the 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?