Question

Sum triples itself at simple interest in 10 years .Find the rate of interest. ​

Answer 1

We have,

Let p=x, A=3x.T=10 years,

SI=A−P

=3x−x

=2x

R= SI×100 / P×T

R= 2x × 100 / x × 10

R=20%

Hence, this is answer

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