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The geometric mean of 28a^5/b and b^3/7a...

The geometric mean of `28a^5/b` and `b^3/7a^3` is …..

A

4ab

B

2ab

C

`2a^2b`

D

`4ab^2`

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CHETANA PUBLICATION-RATIO AND PROPORATION-Exercise
  1. If (3x+5y)/(3x-5y)= 23/3 then = x/y…………

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  2. The geometric mean of 20 and 45 is ……….

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  3. The geometric mean of 28a^5/b and b^3/7a^3 is …..

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  4. Find the reduced form of the ratio of the first quatity to second quan...

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  5. Find the reduced form of the ratio of the first quatity to second quan...

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  6. Find the reduced form of the ratio of the first quatity to second quan...

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  7. Find the reduced form of the ratio of the first quatity to second quan...

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  8. Express the following percentage as ratio in the reduced form: 108:100

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  9. Express the following percentage as ratio in the reduced form: 25:100

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  10. Express the following percentage as ratio in the reduced form: 60%

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  11. Express the following percentage as ratio in the reduced form: 225%

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  12. Convert the following ratio into percentage: 14:20

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  13. Convert the following ratio into percentage: 9/25

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  14. Convert the following ratio into percentage: 5/16

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  15. Convert the following ratio into percentage: 3:50

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  16. To numbers are in the ratio 3:5 If 7 is added to each number then the ...

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  17. The ratio of the present ages of mother and son is 12:5 The mother 's ...

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  18. Compare the following pairs of ratios: 9/7,3/2

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  19. Compare the following pairs of ratios: 5/4,sqrt(3)/sqrt(2)

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  20. Compare the following pairs of ratios: 2.5/7,3/8

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