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Kusum always forgets how to convert mile...

Kusum always forgets how to convert miles to kilometres and back again. However she remembers that her car’s speedometer shows both miles and kilometres. She knows that travelling 50 miles per hour is same as travelling 80 kilometres per hour. To cover a distance of 200 km, how many miles Kusum would have to go?

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NCERT EXEMPLAR-DIRECT AND INVERSE PROPORTIONS -EXERCISES
  1. Ravi starts for his school at 8:20 a.m. on his bicycle. If he travels ...

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  2. Match each of the entries in Column I with the appropriate entry in Co...

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  3. There are 20 grams of protein in 75 grams of sauted fish. How many gra...

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  4. Ms. Anita has to drive from Jhareda to Ganwari. She measures a distanc...

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  5. A water tank casts a shadow 21 m long. A tree of height 9.5 m casts a ...

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  6. The table shows the time four elevators take to travel various distanc...

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  7. A volleyball court is in a rectangular shape and its dimensions are di...

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  8. A recipe for a particular type of muffins requires 1 cup of milk and 1...

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  9. Pattern B consists of four tiles like pattern A. Write a proportion in...

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  10. A bowler throws a cricket ball at a speed of 120 km/h. How long does t...

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  11. The variable x is inversely proportional to y. If x increases by p%, t...

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  12. Here is a key board of a harmonium: Find the ratio of white keys to ...

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  13. Here is a key board of a harmonium: What is the ratio of black keys ...

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  14. Here is a key board of a harmonium: This pattern of keys is repeate...

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  15. The following table shows the distance travelled by one of the new eco...

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  16. Kritika is following this recipe for bread. She realises her sister us...

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  17. Many schools have a recommended students-teacher ratio as 35:1. Next y...

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  18. Kusum always forgets how to convert miles to kilometres and back again...

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  19. The students of Anju’s class sold posters to raise money. Anju wanted ...

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  20. The students of Anju’s class sold posters to raise money. Anju wanted ...

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