Math, asked by suresh972222, 3 months ago

Surbhi gets rupees 8100 as interest form her account.Find the interest rate per annum on a sum of rupees 72000 in 3 years

Answers

Answered by joelneuby

2

Answer:

A=p+c

=8100+72000

=80100

A=p(1+r/100)n

80100=72000(1+r/100)3

80100/72000(1+r/100)3

801/720=(1+r/100)3

89/80=(1+r/10%)3

Calculafe u will get the rate

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