The sum of the digits in unit place of all the numbers formed with the

1.	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 isA. 432B. 108C. 36D. 18
Answer» B. 108 Explanation: 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 =(3+4+5+6)3! =108 Hence, Option (B) 108 is the correct answer.

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 isA. 432B. 108C. 36D. 18

Answer»

B. 108

Explanation:

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 =(3+4+5+6)3! =108

Hence, Option (B) 108 is the correct answer.