If a : b : c = 7 : 3 : 5, then (a + b + c) : (2a + b – c) is equal to :
[A] 1 : 2
[B] 2 : 3
[C] 3 : 4
[D] 5 : 4

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This question is part of UPSC Prelims Practice and Mock Tests membership programme.

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