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Beyond Horizon Set 3 Paper 1 · Q16

Paper 1Algebra

The letters of the word “MOTHER” are permuted, and all the permutations so formed are arranged in alphabetical order as in a dictionary. Then the number of permutations which come before the word “MOTHER” is

A503503
B9393
C6!2−1\frac{6!}{2}-1
D308308
E245245
F182182

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