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Let x be the mean proportional of 25.6 a...

Let x be the mean proportional of 25.6 and 32.4 and y be the third proportional of 32 and 48. Then, 3x:2y=_____

A

`4:5`

B

`5:3`

C

`3:5`

D

`5:4`

Text Solution

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The correct Answer is:
C
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