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How many zeroes are there at the end of 34!^6!


Meenu Agrawal 28th Feb, 2019
Answer (1)
Aaditya 28th Feb, 2019

Hello Aspirant,

  there will be 18 zeros in the result. You can easily caculate it as there are three three zeros in 34!. Using the mathematical identity of powers that is (x^a)^b = x^(a*b). It will make that three zeros to 3*6 = 18 zeros.

  Hence, in the final result we will have total of 18 zeros. For this you do not have to calculate the 34! and then observe the result. A bit of common mathematics can do its trick.

 Good Luck !!!

3 Comments
Comments (3)
28th Feb, 2019
The answer is incorrect....correct answer is 5040
Reply
28th Feb, 2019
Yes, you are correct. Correct answer is 5040 that is 7 * 6!. As there is 7 pairs of 5 and 2.
Reply
28th Feb, 2019
Thanq sir
Reply

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