Latest Bank Exam Aptitude Question SOLUTION: find the remender of 2!+4!+6!.......+200! when divide by 18

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(#M40153863) BANK EXAM Numerical Ability question factorial Keep an EYE

find the remender of 2!+4!+6!.......+200! when divide by 18

Asked In Bank Exam shivi anand (8 years ago)

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SUMIT SATYARANJAN  (8 years ago)

In 6! we will have 6*5*4*3*2*1 . so we have 6*3=18, hence 6! is completely divisible by 18 . so 7!, 8!, 9!, ....... 200! will be divisible by 18 . so reminder will come from 2!+3!+4!+5!. when (2!+3!+4!+5!) is divided by 18 the reminder is 8 .... So Reminder = 8

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