Question

please answer this question ​

Answer 1

Answer:

P=Rs.20,000,A=Rs.24,200.n=2years.

A=P[1+ r/100]^n

⇒24,200= 20,000(1+ r/100)²

⇒ √1.21 = 1+ r/100

⇒1.1 = 1+ r/100

⇒ r/100 = 1.1−1 = 0.1

⇒r=10

The rate of interest is 10 %