Problems Involving Ratio Of Speed
Problems Involving Ratio Of Speed
If the ratio of the speeds of two objects A and B is given in ratio as a:b. then the ratio of the time taken by them to cover the same distance is
Proof: The ratio of speed is a:b
Let the common factor be m
Then speed of A = am
Speed of B = bm
Let the distance traveled be x meter
We know that
The ratio between the speeds of two trains is 3:7, if the second train runs 40 kms in 6 hours, then the time taken by the first train to cover 40 kms is ________________ hours. | |||
| Right Option : C | |||
| View Explanation | |||
The ratio between the speeds of two trains is 9:11, if the first train runs 200 kms in 22 hours, then the time taken by the second train to cover 200 kms is ________________ hours. | |||
| Right Option : C | |||
| View Explanation | |||
The ratio between the speeds of two trains is 4:7, if the second train runs 200 kms in 12 hours, then the time taken by the first train to cover 200 kms is ________________ hours. | |||
| Right Option : B | |||
| View Explanation | |||
Students / Parents Reviews [10]
About 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.
Shreya Shrivastava
8thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
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.
Cheshta
10thIt has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
Barkha Arora
10thBeing a parent, I saw my daughter improvement in her studies by seeing a good result in all day to day compititive exam TMO, NSO, IEO etc and as well as studies. I have got a fruitful result from my daughter.
Prisha Gupta
8thA 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.
Archit Segal
7thMy 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.
Shivam Rana
7thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
Om Umang
10thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
10thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
