A man walking at a rate of 10km/hr crosses a bridge in 10 minutes. The length of the bridge is?	Choices:  A) 1521  B) 1492  C) 1667  D) 1254  E) 1112

Rationale: "speed = 10 * 5 / 18 = 50 / 18 m / sec distance covered in 10 minutes = 50 / 18 * 10 * 60 = 1667 m answer is c"
Answer: C