Question

At what rate of simple interest per annum an amount will be doubled in 10 years.?

Answer 1

Step-by-step explanation:

Let the principal be Rs 1000

Then, amount = (2×1000) = Rs. 2000

SI = 2000-1000 = 1000

Rate = ?

Time = 10 years

Rate = SI × 100 / P × T

=> 1000×100/1000×10

=> 10

Rate = 10%

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Answer 2

Answer:

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