Question

Ruchi borrowed $ 1800from her friend at the rate of 12% per annum at simple interest . She lent it further to another friend Aarti at the same rate but compounded annually. Find the profit that Ruchi earns after 2 years

Answer 1

• Amount that Aarti gave  to Ruchi = P [ 1+r/100]ⁿ

                                                                  = $1800 [ 1 + 12/100]²

                                                                   = $1800 x 28/25 x 28/25

                                                                   =$2257.92

Ruchi's SI = [prt]/100

               = $1800 x 12/100 x 2

               = 432

Amount = 1800 + 432 = 2232

Profit = 2257.92 - 2232 =25.92

Thank u.

Answer 2

Answer:

See The Attachment ✌✌

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