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If A : B=7:9\ a n d\ B : C=5:4,\ t h ...

If `A : B=7:9\ a n d\ B : C=5:4,\ t h e n\ A : B : C` is `7: 45 : 36` b. `28 : 36 : 35` c. `35 : 45 : 36` d. none of these

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RS AGGARWAL-RATIO AND PROPORTION-All Questions
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  2. In a business, the ratio of the capitals of A and B is 2:1, that of...

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  3. If A : B=7:9\ a n d\ B : C=5:4,\ t h e n\ A : B : C is 7: 45 : 36 b...

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  4. If A : B=2:3,\ B : C=4:5\ a n d\ C : D=6:7, then A : B : C : D i...

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  5. If A : B=1/2:1/3n a\ d B : C=1/2:1/3,\ t h e n\ A : B : C is equ...

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  6. If A : B=1/2:3/8, B : C=1/3:5/9\ a n d\ C : D=5/6:3/4, then the ...

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  7. For each 200 rupees spent by the research department, sales departm...

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  8. In a ratio which is equal to 7:8, if the antecedent is 35, what is ...

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  9. If 8a=9b then the ratio of a/9tob/8 is 1:1 b. 1:2 c. 2:1 d. 64 :...

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  10. If x : y=3:4,\ t h e n\ (2x+3y):(3y-2x) would be equal to 2:1 b....

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  11. If a : b=2:5\ then the value of (2a+3b):(7a+5b) is 5:3 b. 6:5 c. 12 :...

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  12. If x : y=3:1,\ t h e n\ x^3-y^3: x^3+y^3=? 10 : 11 b. 11 : 10 c. 13 :...

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  13. If 5a+3b :2a-3b=23 :5, then the value of a : b is a.\ 1:2\ b. 2:1 c. ...

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  14. If x : y=7:3, then the value of (x y+y^2)/(x^2-y^2) is 3/4 b. 4/3 c. 3...

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  15. If a/b=4/5a n d b/c=(15)/(16)t h e n(c^2-a^2)/(c^2+a^2) would be 1/7 b...

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  16. If a : b=b : c ,\ t h e n\ a^4: b^4 would be equal to a c : b^2 ...

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  17. If x : y=3:4\ a n d\ a : b=1:2, then the value of (2x a+y b)/(3y b-...

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  18. If a : b : c=2:3:4,\ t h e n1/a :1/b :1/c is equal to 1/4:1/3:1/2 b. 4...

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  19. If 1/x :1/y :1/z=2:3:5\ t h e n\ x : y : z is equal to 2:3:5 b. 15 : 1...

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  20. If (x+y):(x-y)=4:1,\ t h e n\ (x^2+y^2):(x^2-y^2)=? 8: 17 b. 17 :8 c....

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