Latest CAT Aptitude Question SOLUTION: find da maximum value of n such that 570*60*30*90*100*500*700*343*720*81 is perfectly divisible by 30^n answer

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(#M40152629) CAT Numerical Ability question Keep an EYE

find da maximum value of n such that 570*60*30*90*100*500*700*343*720*81 is perfectly divisible by 30^n answer

Asked In CAT pratik (8 years ago)

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Read Solution (4) :

bhavani  (8 years ago)

n=4
since after multipliying we get 8 zeroes

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NITESH KUMAR SINGH  (8 years ago)

8
no of zeroes in this is 11 and no of multiple of 3 is 8 so 8 is the correct

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komal chandra  (8 years ago)

factors of 30=2,3,5....in this 2 is more frequently occuring so .. we will only calculate no of 3 and 5 present in the sequence...
no 5 3
------------------
570 1 1
60 1 1
30 1 1
90 1 2
100 2 0
500 3 0
700 2 0
343 0 0
720 1 2
81 0 4
------------------------
total 12 11
so n=11

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Piyush jain  (8 years ago)

11 no. of zeros and 11 no. of 3 is here.
so n=11

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