Question

at what rate % per annum will Rs 250 earn an interest of Rs 80 in 4 years​

Answer 1

Answer:

Rate of Interest p.a. = 8%

Step-by-step explanation:

Principle = Rs. 250

Simple Interest = Rs. 80

Time = 4 years

$.°. \: Rate \: of Interest = \frac{80 \times 100}{250 \times 4} \: \% \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ = \frac{8000}{1000} \% \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:\: \: \\ = 8\%$

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Answer 2

Answer:

hope it helps you

Step-by-step explanation:

happy to help you