Question

If c.i = 378 pricipal 1800 time 2 year find rate

Answer 1

Answer:

solution, c.i=378

principal =1800

time=2 years

rate=? let rate be x

c.a= p(1+r/100)^2

=1800×1.21

=2178

c.i=2178-1800

=378

rate=378/1800×100

=21 percent