Question

If radhey invested 4200rupees for 3years and earned 630rupees , then what was the simple interest rate?

Answer 1

Answer:

5%

Step-by-step explanation:

Principal - 4200

Time- 3 years

Simple interest -630

Rate = si *100/p*t

= 630*100/4200*3

= 5%

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Answer 2

Step-by-step explanation:

$\implies$ $r\:=\:\Large\frac{S.I\:×\:100}{P\:×\:T}$

$\implies$ $r\:=\:\Large\frac{630\:×\:100}{4200\:×\:3}$

$\implies$ $\large\boxed{r\:=\:5\: Percent}$

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Mark Brainliest, if it helps. Thank you :)