Latest Elitmus Aptitude Question SOLUTION: let m is a set of even no between 0 to 23 and odd numbers between 23 to 100. if we multiply elements of m with each other. how many zeros we get in their product..

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(#M40044924) ELITMUS Numerical Ability question Number System Keep an EYE

let m is a set of even no between 0 to 23 and odd numbers between 23 to 100. if we multiply elements of m with each other. how many zeros we get in their product..

Asked In Elitmus Deepesh malviya (9 years ago)

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amit  (9 years ago)

any zero can be made only mutiplying any even number with 5 so here count the number of 5s b/w 0 to 23(only even) and i e 10 and 20 , two 5 are here
and b/w 23 to 100(only odd)
the number of 5s are 25, 35, 45,......95 that is 8 5s

so total 5s are 8+2=10
so total zeros are 10

Is this solution Helpfull? Yes (8) | No (11)  

Urvashi Verma  (9 years ago)

any zero can be made only by multiplying any even number with 5 so count the number of 5s b/w 0 to 23(only even) and i e 10 and 20 , 2 5s are there
and b/w 23 to 100(only odd)
the number of 5s are 25, 35, 45,......95 that is 10 5s.
Total no. of 5s=12
hence,no. of zeroes will b=12

Is this solution Helpfull? Yes (5) | No (4)  

sudhanshu kashyap  (9 years ago)

after multiplication we get power of 5 is 12, so number of zeroes sud be 12.

Is this solution Helpfull? Yes (3) | No (1)  

montgomrey humphrey merlin  (9 years ago)

For a single zero . we need one 2 ands one 5 ... from 0 to 23 we have 10 and 20 as no. which contain 5 ... and from 23 to 100 we have 8 numbers which contain 5 ... so no. of zeros in the product is 10

Is this solution Helpfull? Yes (1) | No   

R.sudheer kumar  (9 years ago)

i think your question is wrong it may be as ....even no between 0 to 23 and odd numbers between 1 to 100.

Is this solution Helpfull? Yes | No (7)  

ROHIT YADAV  (7 years ago)

I only have one thing to explain i.e the no. of 5s in 25,35...95 =10 nd not 8 which most of people have misunderstood in thier solution as 25 nd 75 have two 5

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