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Question
If the letters of the word `MATHS` are rearranged to form 5 letter words such that none of the words repeat and the results are arranged in ascending order as in a dictionary, then what is the rank of the word `MATHS'?
If the letters of the word `MATHS` are rearranged to form 5 letter words such that none of the words repeat and the results are arranged in ascending order as in a dictionary, then what is the rank of the word `MATHS'?
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Solution
The correct option is D 53
The rank of the word MATHS is 2*4!+0*3!+2*2!+0*1!+1 = 53
53
The rank of the word MATHS is 2*4!+0*3!+2*2!+0*1!+1 = 53
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