First slide

Permutations

Question

Words are formed by using all the letters of the word ‘SLIDE’ without repetition and they are arranged as in a dictionary. The word ‘SLIDE’ appears at

Moderate

A

120 th position
B

119 th position
C

Last position
D

none of these

Solution

Total number of words $= 5 = 120$ . As the letters of the word SLIED occur in reverse order in English alaphabet, therefore, the position of this word in a dictionary order will be 12 th. Hence position of SLIDE will be 119 th.

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