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Probability question

2018 · 16 Apr · Shift 1 · Q39
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  5. /2018 · 16 Apr · Shift 1 · Q39

Probability question

2018 · 16 Apr · Shift 1 · Q39

JEE MainMathematicsProbabilityMCQ+4 / −1
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 112,{1 \over {12}},121​, then the number of children in each family is :
  1. A
    3
  2. B
    4
  3. C
    5
  4. D
    6
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