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Explain the concept of direct variation....

Explain the concept of direct variation.

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RD SHARMA ENGLISH-DIRECT AND INVERSE VARIATIONS-All Questions
  1. Reema types 540 words during half an hour. How many words would she ty...

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  2. The amount of extension in an elastic spring varies directly as the...

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  3. Explain the concept of direct variation.

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  4. Which of the following quantities vary directly with each other? (i...

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  5. In which of the following tables a and b vary directly? (i) a: 7,...

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  6. Fill in the blanks in each of the following so as to make the statem...

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  7. Complete the following tables given that x varies directly as y . (i) ...

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  8. Find the constant of variation from the table given below: x, 3, ...

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  9. Rohit bought 12 registers for Rs 156, find the cost of 7 such regis...

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  10. Anupama takes 125 minutes in walking a distance of 100 metre. What ...

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  11. If the cost of 93 m of a certain kind of plastic sheet is Rs 1395, ...

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  12. Suneeta types 1080 words in one hour. What is her GWAM (gross words...

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  13. A car is travelling at the average speed of 50 km/hr. How much dist...

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  14. 68 boxes of a certain commodity require a shelf-length of 13.6 m. H...

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  15. In a library 136 copies of a certain book require a shelf-length of...

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  16. The second class railway fare for 240 km of journey is Rs 15.00. Wh...

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  17. If the thickness of a pile of 12 cardboards is 35 mm, find the thick...

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  18. The cost of 97 metre of cloth is Rs 242.50. What length of this can...

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  19. 11 men can dig 6 3/4 metre long trench in one day. How many men should...

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  20. A worker is paid Rs 210 for 6 days work. If his total income of the...

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