Question:-
- Find the compound interest when 
 - principal =2000 
 - rate =20%per annum 
 - and time 3 years.
 
To find:-
Given:-
- Principal = Rs.2,000
 - Rate = 20%
 -  Time = 3 years.
 
Solution:-
⇒

=

 = 

 = 

 = 

= 16 × 6 × 6 × 6
⇒A = Rs.3456
⇒CI = A - P
⇒CI = 3456 - 2000
⇒CI = Rs.1456
Answer:-
·Compound interest is Rs.1456.