Home
Class 14
MATHS
A car has an average speed of 60 km per ...

A car has an average speed of 60 km per hour while going fi'om Delhi to Agra and has an average speed of y km per hour while returning to Delhi from Agra (by travelling the same distance). If the average speed of the car for the whole journey is 48 km per hour, then what is the value of y ?

A

30 km per hour

B

35 km per hour

C

40 km per hour

D

45 km per hour

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

A speed of 45 km per hour is the same as

A bus travels at a speed of 50 km per hour to go from its origin to its destination at a distance of 300 km and travels at a speed of 60 km per hour to return to the origin. What is the average speed of the bus?

A' goes 10 km distance with average speed of 6 km/h while rest 20 km he travels with an average speed of 15 km/h. What is the average speed of 'A' during the whole journey?

A' goes 10 km.distance with average speed of 6km/hr while rest 20 km he travels with an average speed of 15km/hr.What is the average speed of 'A' during the whole journey?

A train travels first 300 km at an average rate of 30 km per hour and further travels the same distance at an average rate of 60 km per hour, then the average speed over the whole distance is

A car travels from A to B at a speed of 20 km//hr and returns at a speed of 30 km//hr . The average speed of the car for the whole journey is

A person covers half of the total distance at the speed of 40 km per hour, half of the remaining at 20 km per hour and the rest at 10 km per hour. Find the average speed during the journey.

A car driver travels from the planes to a hill station . Which are 200 km apart at an average speed of 40 km/h . In the return trip he covers the same distance at an average speed of 20 km/h . The average speed of the car over the entire distance of 400 km is