Question

pls help
don't answer irrelevant answers
pls answer quick​
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Answer 1

Answer:

given data --

time - 10yrs

rate %- ?

let,

principal be x

Amount after 10 years gets doubled

So amount = 2x

simple interest = amount - principal

simple interest = 2x - x = x

Rate per annum = SI × 100 / P × T

= x × 100 / x × 10

100x/ 10x = 10

So rate per annum = 10%.

Explanation:

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