Problems Involving Average Speed
Problems Involving Average Speed
Suppose a person covers certain distance at the speed x Km/hr and then covers an equal distance at speed of y Km/hr. Then the average speed during the whole journey is given by
Proof: Let the distance traveled be m km
Time taken to cover the distance of m Kms at the speed of x Km/Hr
Time taken to cover the distance of m Kms at the speed of y Km/Hr
A man completes 30 km of a journey at 6 km/h and the remaining 40 km of the journey in 5 h. His average speed for the whole journey is ____________ . | |||
| Right Option : C | |||
| View Explanation | |||
Mr Kumar drives to work at an average speed of 48 km/h. Time taken to drive first 60%of the distance is 10 minutes more than the time taken to cover the remaining distance. How far is his office. | |||
| Right Option : C | |||
| View Explanation | |||
Students / Parents Reviews [10]
My experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
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7thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
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10thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
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8thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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8thIt was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
