Q. Five different books (P, Q, R, S, T) are to be arranged on a shelf. The books R and S are to be arranged first and second, respectively from the right side of the shelf. The number of different orders in which P, Q and T may be arranged is .
(A) 2
(B) 6
(C) 12
(D) 120
Ans: 6
Solution:
Here R and S are fixed in 1st and 2nd place from right.
Therefore arrangement of
P,Q,T= 3P3=3!=6
![Determine the correctness (or otherwise) of the following Assertion [A] and the Reason [R]](https://www.gkseries.com/blog/wp-content/uploads/2023/10/Determine-the-correctness-or-otherwise-of-the-following-Assertion-A-and-the-Reason-R.jpg)
