At what rate of per cent per annum will Rs. 1,300 give Rs. 520 as simple interest in 5 years?

Correct option is D

Given:

Principal = 1300 

Simple Interest = 520

Time = 5 years

Formula Used: 

$$SI = \frac{P\times R \times T }{100}$$  

Solution:  

$$520 = \frac{1300 \times 5\times R}{100} \\\ \\520 = 13\times5\times R\\R = 8 \%$$​

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