Question

at what rate percent per annum simple interest Will be a sum of three times itself in 10 years​

Answer 1

Answer:

20%

Step-by-step explanation:

let principal is P

Amount = principal + interest

3P = P + ( P* R * 10 ) / 100

3P - P = P*R*10/ 100

2P = P * R /10

2 * 10 = R

R = 20 %

Answer 2

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