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Here is a key board of a harmonium: Fi...

Here is a key board of a harmonium:
Find the ratio of white keys to black keys on the keyboard

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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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