If A : B = 3 : 7 and B : C = 2 : 5, find A : B : C.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 6 : 14 : 35.
Calculations:
A : B = 3 : 7 ---- (1)
B : C = 2 : 5 ---- (2)
Multiplying equation (1) by 2 and (2) by 7, we get
⇒ A : B : C = 6 : 14 : 35