The task is to generate the correct answer for a given math problem.

Problem: a train 110 m long is running with a speed of 36 km / hr . in what time will it pass a man who is running at 6 km / hr in the direction opposite to that in which the train is going ?
9

Problem: a swimmer can swim in still water at 4 km / h . if the speed of the water current is 2 km / h , how many hours will the swimmer take to swim against the current for 5 km ?
2.5

Problem: what annual payment will discharge a debt of rs . 1030 due in 2 years at the rate of 5 % compound interest ?

553.94