Home

What is the correct answer?

4

A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is:

A. 35.55 km/hr

B. 36 km/hr

C. 71.11 km/hr

D. 71 km/hr

Correct Answer :

C. 71.11 km/hr


Total time taken = 16064 + 16080 hrs. = 92 hrs. 
 Average speed = 320 x 29 km/hr = 71.11 km/hr. 

Related Questions

In a flight of 600 km, an aircraft was slowed down due to bad weather.… A person crosses a 600 m long street in 5 minutes. What is his speed in… Excluding stoppages, the speed of a bus is 54 kmph and including stoppages,… A walks around a circular field at the rate of one round per hour while… An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours.… A train traveled at an average speed of 100 km/hr, stopping for 3 minutes… A person travels equal distances with speed of 3 km/hr, 4 km/hr and 5… It takes eight hours for a 600 km journey, if 120 km is done by train… A man on tour travels first 160 km at 64 km/hr and the next 160 km at… A man in a train notices that he can count 41 telephone posts in one minute.… Robert is travelling on his cycle and has calculated to reach point A… The distance between two cities A and B is 330 Km. A train starts from… A man on tour travels first 160 km at 64 km/hr and the next 160 km at… A man covered a certain distance at some speed. Had he moved 3 kmph faster,… A farmer travelled a distance of 61 km in 9 hours. He travelled partly… A thief is noticed by a policeman from a distance of 200 m. The thief… A man complete a journey in 10 hours. He travels first half of the journey… If a person walks at 14 km/hr instead of 10 km/hr, he would have walked… The ratio between the speeds of two trains is 7: 8. If the second train… In a flight of 600 km, an aircraft was slowed down due to bad weather.… A train can travel 50% faster than a car. Both start from point A at the… A car travelling with 57 of its actual speed covers 42 km in 1 hr… Robert is travelling on his cycle and has calculated to reach point A… The ratio between the speeds of two trains is 7 : 8. If the second train… A person travels from P to Q at a speed of 40 km/hr and returns by increasing… In covering a distance of 30 km, Abhay takes 2 hours more than Sameer.…