If 20% of A = 30% of B = 1/6 of C, then find A ∶ B ∶ C.
A12 ∶ 15 ∶ 18
B15 ∶ 10 ∶ 18
C15 ∶ 12 ∶ 18
D18 ∶ 10 ∶ 12
Answer:
B. 15 ∶ 10 ∶ 18
Read Explanation:
20% of A = 30% of B = 1/6 of C
⇒ 20/100 × A = 30/100 × B = 1/6 × C
⇒ A/5 = 3B/10 = C/6
⇒ A ∶ B ∶ C = 5 ∶ 10/3 ∶ 6 = 15 ∶ 10 ∶ 18
A ∶ B ∶ C is 15 ∶ 10 ∶ 18.