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What is the number of zeros of the product of the first 100
numbers ?

Answer Posted / daya

the product of (even number) and 5 results in "0" of unit's
place.

no. of 5's from 1 to 100 = 100/5 = 20
but in 25, 50, 75 and 100, there is one more 5
25 = 5*5*1
50 = 5*5*2
75 = 5*5*3
100= 5*5*4

four 5's extra

therefore no. 0f F's = 20+4 = 24

Is This Answer Correct ?    8 Yes 1 No



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