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if 3, x, 6, 18 are in proportion , then ...

if 3, x, 6, 18 are in proportion , then x =

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NCERT EXEMPLAR-DIRECT AND INVERSE PROPORTIONS -EXERCISES
  1. If a deposit of Rs 2,000 earns an interest of Rs 500 in 3 years, how m...

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  2. The mass of an aluminium rod varies directly with its length. If a 16 ...

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  3. if 3, x, 6, 18 are in proportion , then x =

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  4. Find the value of x , if y = 2 x − 5 and y = 7 .

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  5. If Naresh walks 250 steps to cover a distance of 200 metres, find the ...

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  6. A car travels a distance of 225 km in 25 litres of petrol. How many li...

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  7. From the following table, determine if x and y are in direct proportio...

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  8. From the following table, determine if x and y are in direct proportio...

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  9. From the following table, determine if x and y are in direct proportio...

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  10. If a and b vary inversely to each other, then find the values of p, q,...

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  11. If a and b vary inversely to each other, then find the values of x, y...

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  12. If a and b vary inversely to each other, then find the values of l, m...

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  13. If 25 metres of cloth costs Rs 350, then What will be the cost of 4...

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  14. If 25 metres of cloth costs Rs 337.50, then What will be the length ...

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  15. A swimming pool can be filled in 4 hours by 8 pumps of the same type. ...

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  16. The cost of 27 kg of iron is Rs 1,080, what will be the cost of 120 kg...

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  17. At a particular time, the length of the shadow of Qutub Minar whose he...

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  18. In a hostel of 50 girls, there are food provisions for 40 days. If ...

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  19. Campus and Welfare Committee of school is planning to develop a blue s...

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  20. Work with a partner to write at least five ratio statements about this...

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