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If x : y=1:1,\ t h e n\ (3x+4y)/(5x+6y)=...

If `x : y=1:1,\ t h e n\ (3x+4y)/(5x+6y)=` (a) `7/(11)` (b) `(17)/(11)` (c) `(17)/(23)` (d) `4/5`

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RD SHARMA-RATIO AND PROPORTION-All Questions
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  2. A ratio equivalent to 2:5 is (a)6: 15 (b) 4:5 (c) 5:2 (d) 5:4

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  3. If 2a=3b=4c , then a : b : c= (a)2:3:4 (b) 3:4:6 (c)4:3:2 (d) 6:4:...

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  4. If 2x=3y\ a n d\ 4y=5z , then x : z= (a) 4:3 (b) 8: 15 (c) 3:4 (d) 1...

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  5. If a/2=b/3=c/4, then a : b : c= (a) 2:3:4 (b) 4:3:2 (c) 3:2:4 (d) No...

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  6. If 1/a :1/b :1/c=3:4:5, then a : b : c (a) 5:4:3 (b) 20 : 15 : 12 (c)...

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  7. If a : b=5:7\ a n d\ b : c=6: 11 , then a : b : c= (a) 35 : 49 : 66 (...

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  8. If x : y=1:1,\ t h e n\ (3x+4y)/(5x+6y)= (a) 7/(11) (b) (17)/(11) (c)...

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  9. If a : b=2:5, then (3a+2b)/(4a+b)= (a) (16)/(13) (b) (13)/(16) (c) (2...

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

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  11. If 8: x :: 16 : 35 (a) 35 (b) 70 (c)(35)/2 (d) 24

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  12. The mean proportional of 6 and 24 is (a)15                          ...

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  13. The boys and girls in a school are in the ratio 9: 5. If the number ...

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  14. If the first three terms of a proportion are 3,5 and 21 respectively...

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  15. What must be added to each term of the ratio 9: 16 to make the ratio...

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  16. What least number is to be subtracted from each term of the ratio 15...

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  17. If Rs 840 is divided between P\ a n d\ Q in the ratio 3:4, then P ' ...

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  18. The ages of Ravish and Shikha are in the ratio 3: 8. Six years hence...

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  19. The present ages of Renu and Ravi are in the ratio 5: 6. The sum of ...

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  20. The third proportional of 3 and 27 is (a) 243 (b) 256 (c) 289 (d) ...

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