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

If `a : b=2:5,` then `(3a+2b)/(4a+b)=` (a) `(16)/(13)` (b) `(13)/(16)` (c) `(25)/(22)` (d) `(20)/(21)`

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

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