If a : b = c : d = e : f = 1 : 2, then (3a + 5c + 7e) : (3b + 5d + 7f) is = ? – OfficerPath

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If a : b = c : d = e : f = 1 : 2, then (3a + 5c + 7e) : (3b + 5d + 7f) is = ?

Subject: MathematicsTopic: Ratio And Proportion

A

8 : 7

B

2 : 1

C

1 : 4

D

1 : 2

Correct Answer: D

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