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If (a + b) : (b + C) : (c + a) = 6 : 7 :...

If (a + b) : (b + C) : (c + a) = 6 : 7 : 8 and a + b + c = 14, then the value of '(a+b)` is

A

8

B

7

C

6

D

12

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The correct Answer is:
A
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