Gangatharan g Asked a Question
July 28, 2021 7:33 pmpts 30 pts
Fifteen persons, among whom are A and B, sit down at random at a round table. The probability that there are 4 persons between A and B is 9 14! 9 (A) 10! (B) 14! (C) 15 (D) none of these
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  • Alka gupta thankyou
    ans D...
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