Home

What is the correct answer?

4

A farmer travelled a distance of 61 km in 9 hours. He travelled partly on foot @ 4 km/hr and partly on bicycle @ 9 km/hr. The distance travelled on foot is:

A. 14 km

B. 15 km

C. 16 km

D. 17 km

Correct Answer :

C. 16 km


Let the distance travelled on foot be x km.
Then, distance travelled on bicycle = (61 -x) km.
So, x4 + (61 -x)9 = 9
9x + 4(61 -x) = 9 x 36
5x = 80
x = 16 km.

Related Questions

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