What will be the ratio of simple interest earned by certain amount at the same rate of interest for 12 years and for 18 years?

by

(A) 2:5
(B) 2:3
(C) 3:2
(D) 1:7

🧠 Explanation (Math):

Given: Compare simple interest for 12 years vs 18 years (same P, r)
Step 1: SI ∝ time for fixed principal and rate
Step 2: Ratio = 12 : 18 = 2 : 3
Final Answer: 2:3