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Direction: Study the following information carefully to answer the questions.

Five boys and five girls are sitting in a row. Find the probability that

  1. All the girls are not sitting together?
    1. 41/42
    2. 39/42
    3. 31/42
    4. 31/35
    5. None of the above
Correct Option: A

Required probability = 1- probability that all the girls sit together
= 1 - 1/42 = 41/42


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