Question

how many 3-digit even number can be formed from the digit 1,2,3,4,5,6 if the digits can be repeated?

Answer 1

Hundred's place can be filled by 6 ways. Tens place can be filled by 6 ways. Ones place can be filled by 3 ways (2,4,6) So , Total no.of ways =6×6×3 = 108 ways

Answer 2

it can be formed in 6 ways