Question

2. How many 5-digit even numbers can be formed using
the digits 1, 2, 5, 4, 5 ?
​

Answer 1

120.

Step-by-step explanation:

Total Number of Numbers which can be formed by numbers 1,2,3,4,5 (without repeating digitsi) = 5*4*3*2*! = 5! = 120.