Question

At what rate of interest will Rs 3200 amount to Rs 5000 in 2 years

Answer 1

Answer:

Time=2 years

Principle=₹3200

Amount=₹5000

Rate?

Simple interest=A-P=5000-3200=₹1800

Simple Interest:-

$\frac{p \times r \times \: t }{100}$

$\frac{3200 \times 2 \times r}{100} = 1800 \\ 32 \times 2 \times r = 1800 \\ r = \frac{1800}{32 \times 2} \\ r = 28.125 \\ r\% = 28.125 \%$

Rate of interest=28.125% p. a.

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Answer 2

Step-by-step explanation:

Amount=Rs5000

principle=Rs3200

time=2 years

interest=5000-3200=1800

interest=prt/100:

3200*r*2/100=1800

64r=1800

r=1800/64=28%

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