Question

What is the rate of simple interest, will a sum of money triples itself in 12½ years​

Answer 1

Answer:

S.I. equation: principal * interest * term / 100 = amount, so interest = amount * 100/principal * term, so if the principal =1 Rs. then amount = 3 Rs. in 12 years, so the equation becomes, interest = 3 * 100 / 25 * 1 = 12 %

Step-by-step explanation:

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