Question

Determine the rate of interest for a sum that becomes 49/36 times of itself in 2 years compounded annually​

Answer 1

Answer:

Step-by-step explanation: Let the Principal be P

so that Amount after 2 years will be A=

36

49

​

P

and we know that, A=P(1+r)

t

for C.I. compounded Annually

36

49

​

P=P(1+r)

2

⇒(

6

7

​

)

2

=(1+r)

2

⇒

6

7

​

=1+r⇒r=

6

1

​ If you can understand the solution only It will help you

Answer 2

Step-by-step explanation:

let sum be x

49/36 ×x = 2

x = 2×36 / 49

x = 72/ 49