Question 4

Find the right most non zero digit of 12! ?

A

2

B

4

C

6

D

8

please explain in detail . I din't got the solution given for it.

Question

Question 4

Find the right most non zero digit of 12! ?

A

2

B

4

C

6

D

8

please explain in detail . I din't got the solution given for it.

DSBHOI · Answer

2,5,10 give the 2 0's. just look for the units place of the product of remaining numbers. no need to calculate the whole thing

Manohar Veera · Answer

n! = n×(n-1)!

12 factorial  is 4.790016x108

6 is the right most value which is non zero

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