If A ∶ B = 5 ∶ 6 and B ∶ C = 6 ∶ 7, then (A + B) ∶ (B + C) ∶ (C + A) is:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 11 : 13 : 12.
Given that
Ratio of A : B : C = 5 : 6 : 7
Then
⇒ (A + B) : (B + C) : (C + A) = (5 + 6) : (6 + 7) : (7 + 5)
⇒ 11 : 13 : 12