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If x : y=3:1,\ t h e n\ x^3-y^3: x^3+y^3...

If `x : y=3:1,\ t h e n\ x^3-y^3: x^3+y^3=?` `10 : 11` b. `11 : 10` c. `13 : 14` d. `14 : 13`

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RS AGGARWAL-RATIO AND PROPORTION-All Questions
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  2. 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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  3. 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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  4. 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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  5. 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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  8. 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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  9. 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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  10. 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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  11. 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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  14. If A : B : C=2:3:5 and A=x %\ of\ (B+C), then x is equal t...

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  15. x , y , z ,\ u are real nubs such that x : y=y : z=z : u\ a n d\ x ...

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  16. If a : b : c=2:3:4\ a n d\ 2a-3b+4c=33 , then the value of c is ...

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  18. If A : B : C=2:3:4, then the ratio A/B : B/C : C/A is equal t...

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