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

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 ?

A: 24
****
Q: Problem: how much interest will $ 10,000 earn in 9 months at an annual rate of 4 % ?

A: $ 300
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Q: Problem: how many seconds will a train 100 meters long take to cross a bridge 170 meters long if the speed of the train is 36 kmph ?

A:
27 se
****