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If the letters of the word 'MOTHER' be permuted and all the words so formed (with or without meaning) be listed as in a dictionary, then the position of the word 'MOTHER' is ......... |
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Answer» MOTHER 1 → E 2 → H 3 → M 4 → O 5 → R 6 → T So position of word MOTHER in dictionary 2 × 5! + 2 × 4! + 3 × 3! + 2! + 1 = 240 + 48 + 18 + 2 + 1 = 309 |
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