Correct Answer: 162/3 yr
Explanation:
Given, R1 = 6% R2 = 10% According to the question, 800 + [(800 x 6 x T)/100] = 600 + [(600 x 10 x T)/100] 800 + 48T = 600 + 60T ⇒ 12T = 200 ⇒ 3T = 50 ∴ T = 50/3 = 162/3 yr