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In how many ways 5 number can bee selected from {1, 2, 3, 4, 5, 6, ……….n} such that all the five numbers are cosecutive

by | Feb 26, 2022 | Uncategorized | 0 comments

(Q). In how many ways 5 number can bee selected from {1, 2, 3, 4, 5, 6, ……….n} such that all the five numbers are cosecutive?
Solution:-

1 2 3 4 52 3 4 5 63 4 5 6 7⋮⋮⋮⋮(n-4)(n-3)(n-2)(n-1)ntotal (n-4) ways Answer

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