In a class, seven students are standing in a row. Q is standing left to R but right to P. O is standing right to N and left to P. Similarly, S is standing right to R and left to T. Find out who is standing in the middle ?
A) Q
B) R
C) P
D) S
Answer: A) Q
Explanation:
As from the given conditions; Order is N O P Q R S T Here the student standing in the middle is 'Q'.
If the first 10 terms and the last 10 terms of the given expression are interchanged in such a way that the first term is interchanged with the last, the second with the second last, the third with the third last and soon, what will the fifth term from the right be in the new arrangement?