CGPET 2021 Solved Paper

3-digit even numbers
Case I When 5 is not there.
Then, 3 digit even numbers

and second and third places can be fill by 9 ways and 8 ways respectively.
Total ways =8×9×5=360
Case 2 When 5 is there
Then, 3-digit even number

Total ways =1×1×5=5
Required number of ways =360+5=365