Question

If the simple interest for 6 years be equal to 30% of the principal it will be equal to the principal after how many years

Answer 1

Answer:

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Answer 2

Answer:

20 yrs

Step-by-step explanation:

let the principle be rs.x

si= 30% of principle

that is. x×30/100= 30x/10

si=prt/100

30x/10=x× r× 6/100

by solving we get,

r=5%

:. t= si×r×p/100

or, t= x× 5×t/100=x

t=20 yrs(Ans).