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

[EX Q]: Problem: how much interest will $ 10,000 earn in 9 months at an annual rate of 4 % ?
[EX A]: $ 300

[EX Q]: Problem: if the radius of a circle is decreased 60 % , what happens to the area ?
[EX A]: 84 % decrease

[EX Q]: Problem: rahul put his timepiece on the table in such a way that at 6 p . m . hour hand points to north . in which direction the minute hand will point at 9.15 p . m . ?
[EX A]:
west