How many trailing 0's does 100! have? Generalize it for any N! after you have computed for 100!
N! = Factorial N = N * N-1 * N-2 * ......2 * 1
Level: {Medium to Hard-lets see}
To Shashwat: Maybe you know the answer as I told you how to solve these kind of questions in class X. If you remember, please don't post the solution.
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I have one more great puzzle which you will definitely enjoy(uses good thinking). Please solve this quickly!
As nobody was able to answer this question, I am giving you the solution.
100!=24zeros
n!=n/5 + n/25
Note-N is an integer type and not float type.
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