Q29Multiple choice
The sum of the digits in unit place of all the numbers formed with the help of 3, 4, 5 and 6 taken all at a time is
- (A)432
- (B)108
- (C)36
- (D)18
The sum of the digits in unit place of all the numbers formed with the help of 3, 4, 5 and 6 taken all at a time is