Question

The number of three-digit even numbers, formed by the digits 0, 1, 3, 4, 6, 7 if the repetition of digits is not allowed, is ________.

Answer 1

(i) When '0' is at unit place

Number of numbers = 20 

(ii) When 4 or 6 are at unit place

Number of numbers = 32

So number of numbers = 52