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Show that the following numbers are in continued proportion: 36, 90, 225                 (ii)   48, 60 75 (iii) 16, 84, 441

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RD SHARMA-RATIO, PROPORTION AND UNITARY METHOD-All Questions
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  2. If in a proportion, the first, second and fourth terms are 32, 112 ...

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  3. Show that the following numbers are in continued proportion: 36, 90,...

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  4. The ratio of the length of a school ground to its width is 5 : 2. F...

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  5. The ratio of the sale of eggs on a Sunday to that of the whole week...

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  6. The ratio of copper and zinc in an alloy is 9:7. If the weight of z...

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  7. The ratio of the income to the expenditure of a family is 7: 6. Fin...

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  8. The ratio of storybooks in a library to other books is 1:7. The total ...

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  9. The cost of 30 metres of polyster cloth is Rs. 450. Find the cost o...

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  10. A worker is paid Rs. 162.50 for 5 days. What should be paid to him ...

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  11. An aeroplane flies 1000 km in 5 hours. How far does it travel in 3 ...

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  12. A woman worker earns Rs. 18000 in 15 months. How much does she earn in...

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  13. A car travels 165km in 3 hours How long will it take to travel 440 ...

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  14. The weight of 45 folding chairs is 18 kg. How many chairs can be lo...

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  15. The weight of 72 books is 9kg. What is the weight of 80 such books? Ho...

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  16. If 25 bags of wheat each weighing 40 kg cost Rs. 2750, then the cost o...

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  17. The price of 3 metres of cloth is Rs. 79.50. Find the price of 15 m...

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  18. The cost of 17 chairs is Rs. 9605. Find the number of chairs that c...

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  19. Three ferryloads are needed to carry 150 people across a river. How...

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  20. Three ferryloads are needed to carry 150 people across a river. How...

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