A) 1540
B) 1450
C) 1504
D) 1405
Correct Answer: A
Solution :
First we placed die 21 English books in alternate position. So, there are 22 vacant place left. \[\therefore \]The total number of ways \[={{\,}^{22}}{{C}_{19}}\,\] \[=\frac{22\times 21\times 20}{3\times 2\times 1}\] \[=1540\]You need to login to perform this action.
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