In what time will the Simple Interest (S.I) on Rs.900 at 6% be equal to S.I on Rs.540 for 8 years at 5%?
Answer: (b) 4 years
Let be the time is = T years
According to question, 900 x 6 x T/100 = 540 x 5 x 8/100 (Simple interest = P x R x T/100) 54T = 54 x 4
T = 4 years