Question

At what rate per cent per annum simple interest will a sum treble itself in 16 years?
(Hint. Let the sum be * x. Then, amount = 3x. S.I. = (3x − 2) = 2x.)
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Answer 1

Answer:

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Answer 2

Answer:

Hello! mate

ur answer :

According to the question ,

let P = Rs.X.

Then, A = Rs.3 X => S.I = Amount - Principal

= Rs.( 3x - x ) = Rs. 2x

T= 25 years .

R = S.I × 100 = 2X × 100 = 8% p.a = right answer

P× T. X - 25 100 %

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