A man is walking at the rate of 5 km/hr crosses a bridge in 15 minutes. The length of the bridge is  Choose one:
A) 1000 meters  B) 1050 meters  C) 1200 meters  D) 1250 meters  E) none of these

Rationale: "explanation : we need to get the answer in meters . so we will first of change distance from km / hour to meter / sec by multiplying it with 5 / 18 and also change 15 minutes to seconds by multiplying it with 60 . answer : d"
Answer: D