JEE Main | 2018Permutation and CombinationHard
Question
From 6 different novels and 3 different dictionaries, 4 novels and 1 dictionary are to be selected and arranged in a row on a shelf so that the dictionary is always in the middle. The number of such arrangements is-
Options
A.
less than 500
B.
at least 500 but less than 750
C.
at least 750 but less than 1000
D.
at least 1000
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