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Twelve men are required to complete a wo...

Twelve men are required to complete a work in 24 days.How many men are required to complete twice the work in 16 days?

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PEARSON IIT JEE FOUNDATION-RATIO AND ITS APPLICATIONS-SHORT ANSWER TYPE QUESTIONS
  1. If a:b = 5:6 and b:c = 3:4, then find a:b:c.

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  2. The cost of 12 books is Rs. 144. Find the cost of 18 books.

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  3. Twelve men are required to complete a work in 24 days.How many men are...

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  4. In a class, there are 20 boys and 15 girls. What percentage of the num...

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  5. By selling a television for Rs. 6600, a trader gains 10%. Find the cos...

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  6. The average height of 20 boys is 120 cm and the average height of 10 g...

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  7. A piece of cloth which is 10 m in length is cut into two pieces such t...

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  8. The ratio of the costs of two vehicles is 3:2 and the total cost of th...

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

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

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

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

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

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

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

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

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

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

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

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

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