By what distance should his office be shifted so that the time taken to go to the office is same as time taken to reach home from the office?
Let AC be 'a' km more than DE. Then
a=20 km
One day Prakash started late for office by 1 hour, so he increased his normal speed by 5 km/hr so that he reaches on time. Find the normal time taken to reach his office if his office is at a distance of 60 km from his house.