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

[EX Q]: Problem: the sum of ages of 5 children born at the intervals of 3 years each is 55 years . what is the age of the youngest child ?
[EX A]: 5 years

[EX Q]: 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 ?
[EX A]: 1 hr 6 min

[EX Q]: Problem: the average of 5 quantities is 12 . the average of 3 of them is 4 . what is the average of remaining 2 numbers ?
[EX A]:
24