Question

the simple intrest accured on a sum of money at the end of 4 yrs is 1/5th of it's principal what is the rate of per annum​

Answer 1

Answer:

Let's assume the principal to be x.

Then, Interest = x/5

x/5 = x*Rate*4/100 (Cancel x both sides)

1/5 = Rate*4/100

Rate = 100/4*5 = 5% Ans.

Step-by-step explanation:

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