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If a:b:c:d=2:3:5:7 and a+b=60, then c+d ...

If a:b:c:d=2:3:5:7 and a+b=60, then c+d is_____.

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PEARSON IIT JEE FOUNDATION-RATIO, PROPORTION AND VARIATION-TEST YOUR CONCEPTS
  1. A certain sum of money is divided between X and Y in the ratio of 2(1)...

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  2. Find the number which bears the same ratio to (5)/(9) as (3)/(2) does ...

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  3. Arrange the ratios 3:4,5:6,1:2 and 19:15 ini their increasing order of...

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  4. What number must be added to each term of the ratio 7 : 5 so that it b...

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  5. A and B share money in the ratio 1(2)/(3):2(3)/(4). What is the total ...

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  6. If (5x+7y):(3x+11y)=2:3, then find x : y.

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  7. If x:y=2:5, then (10x+3y):(5x+2y) is .

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  8. The mean proportional between 2 and 32 is .

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  9. If (a)/(b)=(c)/(d)=(e)/(f)=(3)/(4), then what is the value of (3a-4c-e...

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  10. X and Y share marbles in the ratio of 5 : 6. Find X's share, if X got ...

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  11. If bc:ac:ab=1:3:5, then find (a)/(bc):(b)/(ca).

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  12. If a:b:c:d=2:3:5:7 and a+b=60, then c+d is.

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  13. The monthly expenditure of a family o 9 members is Rs 891. What will b...

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  14. Write the result after applyin componendo and dividendo to 3a^(2)+2b^(...

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  15. The volume of a sphere (V) varies directly as the cube of its radius....

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  16. The ratio of the number of students in schools X and Y is 4:7. if 15 s...

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  17. A purse contains one-rupee, 50 paise ad 25 paise coins in the ratio 4:...

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  18. If (x)/(2a-3b)=(y)/(3b-4c)=(z)/(4c-2a), then find the value of x^(...

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  19. The force of attraction (A) between two objects, whose masses are fixe...

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  20. The volume (V) of a mass of gas varies directly as its absulute temper...

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