Task: Question Answering
Input (English): Question: A participated in cycling contest and he drove the lap at the rate of 6kmph, 12kmph, 18kmph, 24kmph..What is his average speed?

 Option A: 15kmph

 Option B: 18kmph

 Option C: 14.25 kmph

 Option D: 11.52 kmph

 Option E: 16kmph
Output (English): Option D