Question

Revise the Sums
based on application
of pain of linea
equation. [word problm]​

Answer 1

Ok, I will definitely revise the sums based on application of vane of linear equation.[word problm]​.

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Answer 2

Answer:

1. Five years ago, the age of Ramwas seven times that of his son Arun. Five years from, his age will be three times that of his son. What is the ratio of their ages today?

2. The cost of 2 pencils and 3 erasers is ₹ 9, while the cost of 5 pencils and 4 erasers is ₹19. What is the cost of each pencil and each eraser?

3. A boat is travelling in a river in which the water is flowing with a certain speed. In 10 hours, the boat can go 30 km upstream and then 52 km downstream. In 15 hours, it can go 50 km upstream and 65 km downstream. Determine the speed of the boat in still water, and the speed of the flowing water.

4. A train moves between two stations A and B at a uniform speed, and takes a certain amount of time. If the train had gone 10 km/hr faster, it would have taken 1 hour less than the scheduled duration. Had it gone 10 km/hr slower, it would have taken 2 hours more than the scheduled duration. What is the distance between A and B?

5. There is a certain task which a boy and a girl will take different times to complete. 4 boys and 6 girls working together can complete this task in one day, and so can 2 boys and 9 girls working together. How many days will it take 2 boys and 3 girls working together to complete the task?

These are the revision question which you wanted.

Hope it helps you..

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