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If (3x+2y)/(x+7y)=1/3 , then find x:y....

If `(3x+2y)/(x+7y)=1/3` , then find x:y.

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PEARSON IIT JEE FOUNDATION-RATIO AND ITS APPLICATIONS-CONCEPT APPLICATION (LEVEL 3)
  1. If (3x+2y)/(x+7y)=1/3 , then find x:y.

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  2. A varies directly with B when C is constant and inversly with C when B...

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  3. The mean proportional of a\ a n d\ b is 10 and the value of a is four ...

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  4. If (30x + 2y)/(4x + y) = (16)/(3), then find x:y.

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  5. If 243 is the third proportional of a and b, where b:a = 9:1, then fin...

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  6. The difference between the interest obtained for Rs 1000 at 12% per...

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  7. Which of the following yields maximum interest for 2 years?

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  8. The present ages for Seeta and Geeta are in the ratio 3:4. The product...

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  9. A shopkeeper bougth 10 kg of rice for Rs. 200, 5 kg of rice at Rs. 15 ...

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  10. Amit scored 50, 60, 45, 80, and 75 marks in five different subjects. T...

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  11. In an office, one day, 20% of the staff members were on leave in the m...

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  12. If a/b=x/y=p/q then (6a+9x+2p)/(6b+9y+2q)=

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  13. The income of a person A increases from Rs. 12,000 to Rs. 14,000 and t...

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  14. Twelve persons can make 360 toys in 8 days. If three more persons join...

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  15. In how many years will a certain sum becomes five times itself at 20% ...

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  16. A can do (1)/(10) th of a piece of work in a day. B can do the same wo...

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  17. X can construct a wall in 2 days. Y can construct it in 3 days and Z c...

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  18. Two pipes P(1) " and " P(2) can fill a tank in 8 h and 5 h, respectiv...

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  19. A pipe can fill an empty tank in 8 h. After it is kept open for 2 h, a...

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  20. Raj travels a distance of one kilometre at a speed of 1 m/s and 4 km a...

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  21. Teena takes 12 h to go from her city to another city by train. If she ...

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