Find the number of zeroes at the end of 15!
Solution:
Maximum power of 5 in 15
= 3
This way:
[ 15/ 5 ] …….. [till the quotient is greater than zero]
= 3
Answer: 3
Sunday, 24 March 2019
Find the number of zeroes at the end of 68!
Find the number of zeroes at the end of 68!
Solution:
Maximum power of 5 in 68!
= 13 + 2
= 15
This way:
[ 68/ 5 ] + [68/5x5] …….. [till the quotient is greater than zero]
= 13 + 2
= 15
Answer: 15
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