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Which number should be subtracted from 12,16 and 21 so that resultant numbers are in continued proportion?

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CHETANA PUBLICATION-RATIO AND PROPORATION-Exercise
  1. Which number should be subtracted from 12,16 and 21 so that resultant ...

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  2. If 6:5=y:20 then what will be the value of y?

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  3. What is the ratio of 1nm to cm?

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  4. The ages of Jatin, Nitin, and Mohasin are 16, 24 and 36 years respecti...

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  5. 24 bananas were distributed between Shubham and Anil in the ratio 3:5 ...

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  6. What is the mean proportional of 4 and 25?

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  7. The ratio of 161 to 115 in the simplest form is …….

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  8. 5/4……sqrt(3)/sqrt(2)

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  9. If p/q=6/5 then the value of (p^3-q^3)/q^3=……

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  10. If 4.8,6.0,x and 8.5 are in proportion then the value of x is………

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  11. The ratio of rs. 11 and rs. 15 and paise 40 is ……..

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  12. the adjacent sides of a rectangle are in the ratio 5:3 and the area of...

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  13. The mean proportional of 8 and 32 is …………

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  14. 63/60=…..%

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  15. The ratio fo 63, 36 in the least form is …………

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  16. the ratio of two numberss is 3:5 and their sum 360 the numbers are…………

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  17. if p/q=6/5 then the value of (a-b)/b is …………

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  18. the mean proportional of 6 and 24 is…………

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  19. If p/q=6/5 then the value of (3p+4q)/(3p-4q) is………….

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  20. what number should be added to each term of the ratio 2:5 so that is m...

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  21. The mean proportional of ak and ak^3 is………..

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