How many 3-digit numbers can be formed from the digit 2, 4, 5, 6, 7 if no digit is repeated?

How many numbers with 6-digits can be formed from the digits 3,4,5,6,7,8, if no digit is repeated and divisible by 5?

How many three-digit numbers can be formed using the digits 2, 3, 4, 5, 6 if digits can be repeated?

How many numbers greater than hundred and divisible by 5 can be made from the digits 3, 4, 5, 6, if no digit is repeated

How many three-digit numbers can be formed from the digits 0, 1, 3, 5, 6 if repetitions of digits (i) are allowed (ii) are not allowed?

A number of four digits can be formed out of the digits 1, 2, 3, 5, 7, 8 and 9, if no digit is repeated in any number. How many of these will be greater than 3000?

Find the number of 4-digit numbers that can be formed using the digits 1, 2, 4, 5, 6, 8 if (a) digits can be repeated (b) digits cannot be repeated