Seven persons A, B, C, D, E, F and G are standing in a row facing the same direction. B is second to the right of C. B is extreme end of the row. Two persons between A and D. D is immediate left of C. Who is 4th from the right end?

Fifteen students are standing in horizontal row from left to right. If all the odd numbered students in the row are shifted to successive odd—numbered positions, what will be the position of Sonam who was 7th from the left end in the row initially?

In a row of students. Mohan is the 13^th from the left end. Suman is 12^th from Right end and 18^th from left end. How many students of Mohan’s right?

A is 13th from top, B is 18th from bottom. When A and B change their position then A becomes 21th from top. What is the new position of B from bottom?

Rohit is 17th from left end of a row of 29 boys, Karan is 17th from the right end in the same row. How many boys are there between them in the row? 

Five birds are sitting on a tree. The Pigeon is to the right of the Parrot. The Sparrow is above the Parrot. The Crow is next to the Pigeon. The Crane is below the Crow. Which bird is at the centre? 

In a row of boys, if A is 10th from left and B is 9th from the right and interchange their positions, A becomes 15th from the left. How many boys are there in the row?

Rohan’s ranked seventh from the top and twenty-sixth from the bottom in a class. How many students are there in the class?