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If m:n = 3:5 and m:r = 2:3, then find n:...

If m:n = 3:5 and m:r = 2:3, then find n:r.

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The correct Answer is:
`10:9`
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PEARSON IIT JEE FOUNDATION-RATIO AND ITS APPLICATIONS-SHORT ANSWER TYPE QUESTIONS
  1. The ratio of the costs of two vehicles is 3:2 and the total cost of th...

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  2. If a number is divided into three parts which are in the raio 1:1:2, ...

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  3. In a right triangle, the length of the sides is in the ratio 5:4:3. Fi...

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  4. The price of a commodity is reduced to its (5)/(6) th. What is the ...

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  5. Find a number such that the ratio of (5)/(2) to the number is the sam...

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  6. Town A is 200 km for from town B. A person can travel in a car from to...

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  7. Ajay's home is 150 m away from a bus stop. At what speed should he tra...

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  8. Find the time taken by a car running at 25 m/s to cover a distance of ...

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  9. A 200 m long train passes a pole in 20s. What is the speed of the trai...

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  10. Kiran alone can do a piece of work in 15 days and Aman can do the same...

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  11. If 256 is the third proportional of a and b, where a:b = 3:16, then fi...

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  12. If (15x + 16y)/(25x + 4y) = (7)/(6), then find x:y.

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  13. If m:n = 3:5 and m:r = 2:3, then find n:r.

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  14. The present ages of Pawan and Kalyan are in the ratio of 4:5. The prod...

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  15. Aashritha scored 85, 90, 98, 78, 89, and 70 marks in six different sub...

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  16. A shop owner sold a sofa set for Rs. 10,000, losing Rs. 2500. Find his...

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  17. P can do a piece of work in 25 days and Q can do the same work in 15 ...

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  18. A certain sum becomes doubled in 5 years. Find the rate of interest.

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  19. A train crosses a pole in 12 s, when it is traveling at 54 km/h. Find ...

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  20. Calculate the amount of Rs. 2500 at 12% per annum for 8 years under si...

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