In a row, P is 10th from the left and Q is 12th from the right. If P and Q interchange their positions, P becomes 18th from the left. The number of persons in the row other than P and Q is:

In a queue of boys, A is seventh from the left and B is fourth from the right. When A and B interchange their positions, A becomes fifteenth from the left. Find the position of B from the right.

In a row of participants, Suresh is 18th from the left and Rahul is 24th from the right. If 6 participants are standing between Suresh and Rahul, what is the maximum number of participants in the row?

Six persons (A, B, C, D, E and F) are sitting in a row, all facing North. C sits immediately to the left of B and is the third person to the right of A. D sits at the extreme right end. If E sits imm…

There are five different houses A to E in a row. A is to the right of B and E is to the left of C and right of A. B is to the right of D. Which of the houses is in the middle?

If in VITREOUS all consonants are first arranged alphabetically and then all vowels alphabetically, which letter will be second to the right of fourth from the left?