A car can finish a certain journey in 10 hours at the speed of 48 km/hr. By how much should its speed be increased so that it may take only 8 hours to cover the same distance?

A car can finish a certain journey in 10 hours at the speed of 48 km//hour.By how much should its speed be increased so that it may take only 8 hours to cover the same distance ?

A ship can cover a certain distance in 10 hours at a speed of 16 nautical miles per hour. By how much should its speed be increased so that it takes only 8 hours to cover the same distance? (A nautical mile is a unit of measurement used at sea distance or sea water i.e.1852 metres).

A car takes 4 hours to cover a certain distance at the speed of 30km/h. If the speed of the car is increased, will it take more or less time to cover the same distance ?

A tractor can finish its journey in 8 hours at the speed of 60km//hr speed. IF the same distance must be covered in 5 hours, what should be the speed of the tractor

A car covers a certain distance in 3 hours at the speed of 124 kms/hr . What is the average speed of a truck which travels a distance of 120 kms less than the car in the same time ?

A car covers a certain distance in 5 hours at the speed of 73 kms/hr. What is the average speed of bus which travels a distance of 50 kms less than the car in the same time ? Options are (a) 61 km/hr (b) 58 km/hr (c) 65 km/hr (d) 63 km/hr.