If a : b = c : d = e : f = 1 : 2, then (3a + 5c + 7e) : (3b + 5d + 7f) is = ? Options: A . &nbsp8 : 7 B . &nbsp2 : 1 C . &nbsp1 : 4 D . &nbsp1 : 2

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

Question

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

Options:

A . 8 : 7

B . 2 : 1

C . 1 : 4

D . 1 : 2

Answer: Option D

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