How many 3-digit numbers, each less than 600, can be formed from `{1, 2, 3, 4, 7, 9}` if repectition
Channel: Doubtnut
Date: 2020-01-26

How many 3-digit numbers, each less than 600, can be formed from `{1, 2, 3, 4, 7, 9}` if repectition of digits is allowed ?