Question

At what rate percent per annum will a sum triple itself in 12 years?(Explain)​

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

Answer :-

0.16%

Step-by-step explanation

Let RS= x be the sum,

then according to question ,

the amount will be RS = 3X.

Then SIMPLE INTEREST will be ,

S.I.=Amount -Principle

    =3x-x

    = 2x

the time is given as 12 years

R=S.I × 100/P × T

R = RX × 100/X × 100

T=12

2X×  100/ 12 × 100

200X/1200

0.16

R =0.16%

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