Task: Question Answering
Input (English): Question: Ramu rides his bike at an average speed of 45 km/hr and reaches his desitination in four hours. Somu covers the same distance in six hours. If Ramu covered his journey at an average speed which was 9 km/hr less and Somu covered his journey at an average speed which was 10 km/hr more, then the difference in their times taken to reach the destination would be (in minutes)?

 Option A: 11

 Option B: 30

 Option C: 88

 Option D: 66

 Option E: 41
Output (English): Option B