Permutation: n Different Things Taken All at a Time When All Are Not Different.
If all the wo...
Question
If all the words (with or without meaning) having five letters, formed using the letters of the word SMALL and arranged as in a dictionary, then the position of the word SMALL is ?
A
46th
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B
59th
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C
52th
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D
58th
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Solution
The correct option is D58th Clearly, number of words start with A =4!2!=12
Number of words start with L = 4! = 24
Number of words start with M = 4!2!=12
Number of words start with SA = 3!2!=3
Number of words start with SL = 3! = 6
Note that, next word will be “SMALL”.
Hence, the position of word “SMALL: is 58th.