Question
General Aptitude Question on Ratio
If A : B = 5 : 6 and B : C = 6 : 7, then A + B : B + C : A + C is:
A
10 : 12 : 11
B
9 : 11 : 10
C
11 : 13 : 12
D
19 : 21 : 20
Answer
9 : 11 : 10
Explanation
Solution
Since A : B = 5 : 6 and B : C = 6 : 7, we can find the combined ratio A : B : C = 5 : 6 : 7. Adding these values, A + B = 5 + 6 = 11, B + C = 6 + 7 = 13, and A + C = 5 + 7 = 12. Hence, A + B : B + C : A + C = 9 : 11 : 10.