Question

10. (a) Find the rate of interest if a sum of money or doubled in 16 years​

Answer 1

Answer:

Here, interest is to become equal to the principal in 16 years.

Suppose principal =x

Then amount =2x

∴ Interest =x

R=P×TSI×100=100×16100×100=425=641%

Explanation:

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Answer 2

Explanation:

answer is 641 %

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