instruction:
The task is to generate the correct answer for a given math problem.
question:
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 ?
answer:
1 hr 6 min

question:
Problem: how many zeroes are there at the end of the number n , if n = 100 ! + 200 ! ?
answer:
2

question:
Problem: heinz produces tomato puree by boiling tomato juice . the tomato puree has only 20 % water while the tomato juice has 90 % water . how many liters of tomato puree will be obtained from 25 litres of tomato juice ?
answer:
3.125 liters .