Gangatharan g Asked a Question
September 5, 2021 7:53 ampts 30 pts
The number 1, 2, 3,., n are arranged in a random order. The probability that the digits 1, 2, 3, , k (k < n) appears as neighbours in that order is
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  • Alka gupta thankyou
    correct ans B..... the probability that the digits 1,2,3...,k appear is equal to k!/n!
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