Question

Find the difference between compound interest and simple interest on a sum of rs. 64000 at a rate of 20% p.A. Compounded semi-annually for 112 years. N/a

Answer 1

Given Principal =64000.

           Rate of interest = 20% P.A.

           n  = 1.5 years.

We know that A = P(1 + r/100)^n

When the interest is compounded semi-annually.

A = P(1 + r/200)^2n

    = 64000(1 + 20/200)^3

    = 64000(11/10)^3

    = 64000 * 1.331

    = 85184.

We know that CI = A - P

                             = 85184 - 64000

                             = 21184.

We know that SI = PRT/100

                            = 64000 * 20 * 3/100 * 2

                            = 64000 * 60/200

                            = 19200.

Difference between Simple Intrest and Compound Intrest = 21184 - 19200

                                                                                                  = 1984.

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Answer 2

Answer:

Answer:16,6250

Step-by-step explanation:

3 years = 3(20,000)+3(25000)+1(31250)

=166250

Explanation: