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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, PROPORTION AND UNITARY METHOD-All Questions
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  2. Two numbers are in the ratio 3:5 and their sum is 96. The larger nu...

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

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  4. If six men can do a piece of work in 6 days, then 3 men can do same...

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  5. If 4:5 x : 45 ,\ then x= 54 (b) 60 (c) 36 (d) 30

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  6. If 343 is the third proportional of \ a\ a n d\ b , where a : b=1:7, t...

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  7. The first three terms of a proportion are 12, 21 and 8 respectively...

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  8. If a : b=2:5, . fid the value of (3a+2b)/(4a+b)

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

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  10. A given quantity of rice is sufficient for 60 persons for 3 days. H...

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  11. 12 men can reap a field in 25 days. In how many days can 20 mean re...

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  13. The ratio of copper and zinc in an alloy is 5:3 . If the weight of ...

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  14. Divide Rs. 3450 among A ,\ B\ a n d\ C in the ratio 3:5:7

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  15. 40 men can finish a piece of work in 26 days. How many men will be ...

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  18. If 1, 2, 3 and x\ are in proportion, then x = .................

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  19. Ratio of Rs. 2 and 50 paise and Rs. 3 and 75 paise is .............

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  20. Mean proportion of 2 and 8 is .................

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