In a row of 50 students, Balu is 32nd from the right end and Charu is 37th from the left end. Rohan is exactly in the middle of Balu and Charu. What is the position of Rohan from the left end of the row?

In a row of 50 persons, Gaurav was 25th from the left and Harsh was 15th from the right end of the row. If there were as many people to the left of Isha as the number of people between Gaurav and Harsh, what was Isha's position from the right end of the row?

In a row of children, Bali is seventh from the left and Moti is fourth from the right. When Bali and Moti exchange positions, Bali becomes fifteenth from the left. What will be Moti's position from the right?