Latest MBA Aptitude Question SOLUTION: 121212....upto 300 times divided by 90 reminder is

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(#M40032711) MBA Numerical Ability question Keep an EYE

121212....upto 300 times divided by 90 reminder is

Asked In MBA hemlata ninama (11 years ago)

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RAKESH  (11 years ago)

12/90=12
1212/90=42
121212/90=72
12121212/90=12
1212121212/90=42

cycle of 12,42,72 repeats after 2,4,6 digits
so
(1212... 6 digits)/90=(1212... 12digits)/90=...=(121212...300 digits)/90= rem 72

ANS 72

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RAKESH  (11 years ago)

sum of digits of 121212....upto 300 digits=(1+2)*150=450
so 121212....upto 300 digits is divisible by 9
now 121212....upto 300 digits/9=13468013468..........13468
thus 13468013468..........13468/10 gives remainder 8
121212....upto 300 digits/(9*10) will give remainder 8*9=72

ANS 72

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