Question

what is the rate percent p.a at which a sum of money trebles itself in 10 years at a compund intrest
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Answer 1

Answer

We have,

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

SI=A−P

=3x−x

=2x

R=

P×T

SI×100

R=

x×10

2x×100

R=20%

Hence, this is answer.