The number of arrangements of the nine non-zero digits such that every digit in the…

MATHEMATICS · Single correct · CBSE · Mathematics · Permutations and Combinations · Permutations and Combinations

Problem

The number of arrangements of the nine non-zero digits such that every digit in the first four places is less than the middle digit and every digit in the last four places is greater than the middle digit is (1) 4848 (2) 75607560 (3) 1008010080 (4) 576576

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