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If A, B, C, D are quantities of the same...

If A, B, C, D are quantities of the same kind such `A : B=3:4,\ B : C=5:7\ a n d\ C : D=8:9,` find : `B : D`

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If A, B, C, D are quantities of the same kind such A : B=3:4, B : C=5:7 a n d C : D=8:9, find : A : D

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RS AGGARWAL-RATIO AND PROPORTION-All Questions
  1. If 2x^2-7x y+3y^2=0, then find the value of x : ydot

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  2. If A, B, C, D are quantities of the same kind such A : B=3:4,\ B : ...

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  3. If A, B, C, D are quantities of the same kind such A : B=3:4,\ B : ...

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  4. If A, B, C, D are quantities of the same kind such A : B=3:4,\ B : ...

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  5. If A, B, C, D are quantities of the same kind such A : B=3:4,\ B : ...

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  6. If a : b = 2/9 : 1/3, b : c = 2/7 : 5/14 and d : c = 7/10 :3/5,then f...

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  7. If m : n=3:2, then find the ratio (4m+5m):(5m-5n)dot

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  8. If (2x+3y):(3x+5y)=18 : 29 , what is he value of x : y ?

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  9. If (x+y):(x-y)=7:3, then find the ratio (x^3+y^3):(x^3-y^3)dot

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  10. If a :5=b :7c :8,\ t h e n(a+b+c)/(a\ )=?

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  11. If p : q=r : s=t : u=2:3, then find (m p+n r+ot):(m q+n s+ou)dot

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  12. Find: the fourth proportional to 4, 9, 12.

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  13. Find : the third proportional to 16 and 36

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  14. Find: the mean proportional between 0.08 and 0.18

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  15. Find: the mean proportional between 6+3sqrt(3)\ a n d\ 8-4sqrt(3)

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  16. Find two number such that their mean proportional is 6 and third pr...

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  17. When 20% of a number is added to another number the number increase...

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  18. In a class the ratio of female students  to male students is 16:9. Wha...

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  19. If A exceeds B by 40%, B is less than C by 20%, then find A : C.

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  20. Divide the number 455 in the ratio 4:3.

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