यदि a: b = ( 2)/( 9) : (1)/(3) , b: c = ...

यदि `a: b = ( 2)/( 9) : (1)/(3) , b: c = ( 2)/( 7) : ( 5)/( 14)` और `d:c = ( 7 )/( 10) : ( 3)/( 5)` तब `a:b:c:d` है

A

`4:6:7:9`

B

`16:24:30:35`

C

`8:12:15:7`

D

`30:35:24:16`

लिखित उत्तर

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The correct Answer is:

B

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