If a : b = 5 : 7 and c : d = 2a : 3b then ac : bd is = ? – OfficerPath

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If a : b = 5 : 7 and c : d = 2a : 3b then ac : bd is = ?

Subject: MathematicsTopic: Ratio And Proportion

A

20 : 38

B

50 : 147

C

10 : 21

D

50 : 151

Correct Answer: B

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