Question

The interest on sum of money in

5 yrs is 2/5 of the amount, what is
the rate of the interest?


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Answer 1

Answer:

I cannot understand the question

Answer 2

Answer:

Step-by-step explanation:

Time for the interest = 5yrs

let the principal be ₹P

And the total amount after the interest = ₹A

And the interest offered = ₹I

Given : I = 2/5A

Simple Interest = $\frac{P*R*T}{100}$

2/5A = $\frac{P*R*5}{100}$

P = A - I ⇒ P = A - 2/5A ⇒ P = 3/5A

2/5A = $\frac{3/5A*R*5}{100}$ ⇒ 2/5A *100 = 3/5A*R*5

⇒ 40A = 3A * R

⇒ $\frac{40A}{3A}$ = R

Therefore, rate of interest = 13.33 %

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