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What is the ratio of the third proportio...

What is the ratio of the third proportional to 0.4 and 0.8, to the mean proportional between 13.5 and 0.24 ?
0.4 तथा 0.8 के तीसरे आनुपातिक और 13.5 तथा 0.24 के बीच माध्य समानुपाती में क्या अनुपात होगा ?

A

` 5:4`

B

` 7:8`

C

`8:9`

D

`9:10`

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PINNACLE-RATIO & PROPORTION-EXERCISE
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  11. A, B and C started a business. Thrice the investment of A is equal to ...

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  13. A sum is divided among A, B, C and D such that the ratio of shares of ...

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  14. A started a business with a capital of Rs. 54000 and admitted B and C ...

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  18. The ratio of present ages of A and B is 8: 15. Eight years ago,the rat...

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