TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: a train 360 m long runs with a speed of 45 km / hr . what time will it take to pass a platform of 150 m long ?

SOLUTION: 40.8 sec

PROBLEM: Problem: excluding stoppages , the speed of the bus is 54 kmph and including stoppages , it is 36 kmph . for how many minutes does the bus stop per hr

SOLUTION: 20 mi

PROBLEM: Problem: an error 10 % in excess is made while measuring the side of a square . now what is the percentage of error in the calculated area of the square ?

SOLUTION:
21 %