Question

if the simple interen on a Cartain sum of money for 3 years is four-fifth of the sum then find The rate interest - per annum .​

Answer 1

Let the principal be x

Then, simple interest=

5

x

Time=4years.

Rate of interest per annum=

PT

100×S.I

=

x×4

100×

5

x

=

4

20

=5%

Step-by-step explanation:

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