If Shreehari walks in the speed of 4.5 km/hr from his house, in what time will he reach his school which is 750 m long from his house?
Choose the correct choice from the following answers.
A) 5  B) 30  C) 10  D) 12  E) 15

Rationale: speed = 4.5 * 5 / 18 = 1.25 m / sec time taken = 750 / 1.25 = 600 sec ie . 10 mins . answer : c
Answer: C