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The ratio of copper and zinc in an al...

The ratio of copper and zinc in an alloy is `5:3` . If the weight of the copper in the alloy is `30. 5` grams, find the weight of zinc in the alloy.

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RD SHARMA ENGLISH-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= (a) 54 (b) 60 (c) 36 (d) 30

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  4. If 343 is the third proportional of a and b , where a : b=1:7, then th...

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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, . find the value of (3a+2b)/(4a+b)

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  7. The mean proportional of a and b is 10 and the value of a is four time...

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  10. Shikah and Aarushi are sister. The ratio of their ages is 3:4. Their p...

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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 fo...

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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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