TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: a train covers a distance of 100 km in 1 hour . if its speed is decreased by 10 km / hr , the time taken by the car to cover the same distance will be ?

SOLUTION: 1 hr 6 min

PROBLEM: Problem: if a - b = 6 and a 2 + b 2 = 50 , find the value of ab .

SOLUTION: a ) 7

PROBLEM: Problem: if k is the greatest positive integer such that 3 ^ k is a divisor of 15 ! then k =

SOLUTION:
6