Correct Answer & Explanation
Option C
• সূত্র: A = P(1 + r/100)ⁿ
এখানে, P = 2000, A = 2662, n = 3 বছর
2662 = 2000 × (1 + r/100)³
2662 / 2000 = (1 + r/100)³
1331 / 1000 = (1 + r/100)³
(11/10)³ = (1 + r/100)³
11/10 = 1 + r/100
r/100 = 11/10 - 1 = 1/10
r = 100/10 = 10%
• অতএব, বার্ষিক সুদের হার 10%।