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

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

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RD SHARMA-RATIO, PROPORTION AND UNITARY METHOD-All Questions
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  2. If six men can do a piece of work in 6 days, then 3 men can do same...

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

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

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

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

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

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

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

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  13. 40 men can finish a piece of work in 26 days. How many men will be ...

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  14. Tropical fruit juice is mixed from mango, papaya and orange juice i...

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  15. If 48 boxes contain 6000 pens, how many such boxes will be needed f...

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

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

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

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  19. If a : b=4:5\ a n d\ b : c=2:3, then a : c=\ .................

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  20. If 2x=5y , then x: y= .................

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