Question

find the amount and the compound interest on rs 8000 at 5% per annum for 2 years compounded annually

Answer 1

Heya!
see the answer at the attachment above.
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Answer 2

For first year amount=P+I
i.e 8000+400
=8400
For second year amount=P+I
i.e 8400+420
=8820
Compound interest=final amount+initial principal
=8820+8000
=820