Question

let us determine the rate of simple interest in percent per annum if the interest on rupees 500 in 4 years is 100.



please help me it's emergency​

Answer 1

Answer:

Step-by-step explanation:

we know: simple interest = p x t x r / 100

∴we can substitute :

100 = 500x4x r / 100

= 100 x 100 = 500 x 4 x r

= 10000 = 2000 x r

=10000 / 2000 = r

=10/2 = r

=5 = r

∴ we can say that the interest = 5%

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