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The cost of 12 books is Rs. 144. Find th...

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

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The correct Answer is:
Rs. 216
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PEARSON IIT JEE FOUNDATION-RATIO AND ITS APPLICATIONS-SHORT ANSWER TYPE QUESTIONS
  1. Find the amount when Rs. 3650 for 2 years 6 months at 16% per annum.

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  2. If a:b = 5:6 and b:c = 3:4, then find a:b:c.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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