Question

A sum of money amounts to 9000 in 3yrs , 9900 in 4yrs , 10890 in 5yrs . find the rate of interest and amount in 6 years​

Answer 1

Answer:

10%

₹ 11,979

Step-by-step explanation:

Amoubt at the end of year 3 = ₹ 9,000

Amount at the end of year 4 = ₹ 9,900

Interest = 9,900 - 9,000 = ₹ 900

Interest rate = 900 / 9000 = 0.1

Interest rate = 10%

Amount in the 6th year = 10,890 × 1.1 = ₹ 11,979