If A : B = 7 : 8 and B : C = 7 : 9, then what is the ratio of A : B : C ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 49 : 56 : 72
A : B = 7 : 8...........(×7)
B : C =7 : 9...........(×8)
A : B : C = 49 : 56 : 72