Question : If a boy walks from his house to school at the rate of 4 km/h, he reaches the school 10 minutes earlier than the scheduled time. However, if he walks at the rate of 3 km/h, he reaches 10 minutes late. Find the distance of his school from his house.

Question : A man walks from his house at an average speed of 5 km/h and reaches his office 6 minutes late. If he walks at an average speed of 6 km/h, he reaches 2 minutes early. The distance of the office from his house is:

Question : If a man walks 20 km at 5 km/hr, he will be late by 40 minutes. If he walks at 8 km/hr, how early from the fixed time will he reach? 

Question : A train covers the distance between station A and station B in 45 minutes. If the speed of the train is reduced by 5 km/hr, then the same distance is covered in 48 minutes. The distance between stations A and B is:

Question : A train starts from station A and reaches station B.15 minutes late when it moves at 40 km/hr and 24 minutes late when it goes at 30 km/hr. The distance between the two stations is