Statistics and Probability: JEE Main 2018 Mathematics question

JEE Main 2018 · 16 Apr, Morning shift · Q4974

JEE Main 201816 Apr, Morning shiftMathematicsMediumStatistics and Probability258× since 2002

Two different families A and B are blessed with equal numbe of children. There are 3 tickets to be distributed amongst the children of these families so that no child gets more than one ticket. If the probability that all the tickets go to the children of the family B is

{1 \over {12}},

then the number of children in each family is :

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JEE Main 2018 Statistics and Probability Question with Solution (16 Apr Morning shift, Q4974) | JEE Arc