Question

The year by which a sum of rupees would be 1.21 times of itself at
10% per annum C.l. is​

Answer 1

Step-by-step explanation:

A=P(1+

100

R

)

T

According to the question

P=x, A=2.25x, T=2 years, R=?

2.25x=x(1+

100

R

)

2

(1+

100

R

)

2

=

x

2.25x

(1+

100

R

)

2

=2.25

1+

100

R

=1.5

100

R

=1.5−1

100

R

=.5

R=50%