Latest IBM Aptitude Question SOLUTION: what is the probability of 2 man will be born in a same month

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what is the probability of 2 man will be born in a same month

Asked In IBM (12 years ago)

Solved Dr.Dipin Singh Read Solution (3)

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Read Solution (3) :

Dr.Dipin Singh  (12 years ago)

1/12 is the probability of 2 man will be born in a same month as first person can be born in any month and second person has 1/12 probability of birth in same month.

Is this solution Helpfull? Yes (23) | No (5)  

srikanth  (7 years ago)

A can be born in any of 12 months and B can be born in any of the remaining 11 months ⇒

Total possible cases = 12 x 11 = 132

Total Sample space with us : 12 x 12 = 144

⇒
The probability that they are not born in same month = 132/144

⇒
The probability that they are born in the same month 1−132/144=12/144⇒1/12

Is this solution Helpfull? Yes (2) | No   

debarati chatterjee  (7 years ago)

2/12 i.e,1/6 is the answer

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