Question

if rupees 2600 becomes rupees 5200 in 8 years . what will be the rate of interest​

Answer 1

P = 2600

I = 5200

T = 8 years

Rate of interest = ?

5200 = 2600×8×R/100

R = 5200/26×8

R = 5200/208

R = 25 %

here is your answer mate hope it helpful to you

Answer 2

Answer:

Simple Interest = 325.

SI = PRT/100

325 = 2600 R 8 / 100

$325 = \frac{20800 \times r}{100} = \frac{208 \times r}{1} = 208 \times r$

$r = \frac{325}{208} = 1.5625$

Therefore, Rate of Interest is 1.5%

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