Question

(c) Find the rate of Compound interest on Rs. 6500 so that it can amount to Rs. 7865

in 2 years.​

Answer 1

Step-by-step explanation:

Amount : Rs 7865

Principal : Rs 6500

Time: 2 yr

interest = 7865-6500 = 1365

r%= (1365*100)/6500*2 = 10.5%

Answer 2

Answer:

10%

Step-by-step explanation:

Here, P = Rs. 6500 ,A = 7865 and n= 2 years

A =P (1+r/100) ^2

→7865 =6500(1+r/100) ^2

→1.21 =(1+r/100) ^2

Taking square root on the sides, we get

→1.1 =100+r/100

= 110=100+r

=r=10%

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