Parth misses a train by 1 hour, if he travels at a speed of 4 km/h. If he increases his speed to 5 km/h, he still misses the train by 24 minutes. At what speed he should travel so that he reaches the station exactly on time.

A man travels 100 in 5 h. If he increases his speed by 5 km/h, then find the time taken by him to travel the same distance.

Ramesh travells at the speed of 40km/hr. If he decreases his speed 4km each hour, then how much time he will taken to cover 216km?

If Abhi travels a certain distance at 6 km/h. he reaches his destination 12 minutes early, but if he travels at 4 km/h, he reaches his destination 10 minutes late. The speed (in km/h) at which he should travel to reach his destination on time is ........

Ravi starts for his school at 8:20 a.m. on his bicycle. If he travels at a speed of 10km/h, then he reaches his school late by 8 minutes but on travelling at 16 km/h he reaches the school 10 minutes early. At what time does the school start?

A boy walking at a speed of 15 km/h reaches his school 20 min late. Next time he increases his speed by 5 km/h but still he late by 5 min. Find the distance of the school from his home.