A can run 224 metre in 28 seconds and B in 32 seconds. By what distance A beat B?
Choose the correct choice from the following choices:  A) 38 metre  B) 28 metre  C) 23 metre  D) 15 metre  E) 28 metre

Rationale: "clearly , a beats b by 4 seconds now find out how much b will run in these 4 seconds speed of b = distance / time taken by b = 224 / 32 = 28 / 4 = 7 m / sdistance covered by b in 4 seconds = speed × time = 7 × 4 = 28 metre i . e . , a beat b by 28 metre answer is b"
Answer: B