Question

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Answer 1

Answer:

3.years approx.

hope it will help you

Answer 2

20years

Step-by-step explanation:

Amount= Rs12600

Principal= Rs4500

Per annum= 9%

Simple Interest= Amount–Principal

= 12,600–4500= Rs8,100

$time = \frac{si \times 100}{p \times r}$

$\frac{8100 \times 100}{4500 \times 9 } = 20$ years

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