instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: the average of first 5 multiples of 5 is
answer:
1


question:
Problem: a and b together can complete work in 6 days . a alone starts working and leaves it after working for 4 days completing only half of the work . in how many days it can be completed if the remaining job is undertaken by b ?
answer:
12


question:
Problem: a man rows his boat 75 km downstream and 45 km upstream , taking 5 hours each time . find the speed of the stream ?
answer:

3 kmph