Math, asked by Anonymous, 2 months ago

If the simple interest on a certain sum of money for 2 years be one-fifth of the sum, find the rate of interest per annum

Answers

Answered by dracobellatorregina
2

Answer:

10%p.a.

Step-by-step explanation:

Take principal as P, rate as R and time as T

Thus,

S.I.=PRT/100

1/5P=P×R×2/100

P/5×100=2PR

20P=2PR

R=20P/2P

R=10

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