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Sunena wants 1/4th of the principal amount as interest when certain sum of money is kept at 10% simple interest per annum. In how many years will sunena get her desired interest in Rs?


1. 1.5 Years
2. 2.5 Years
3. 3.5 Years
4. 4 Years

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Correct Answer - Option 2 : 2.5 Years

Given:

I = P/ 4

R = 10%

Formula used:

I = P × R × N/ 100

Where, P = Principal amount, R = Rate of interest, N = number of years and I = Simple interest

Calculation:

I = P/ 4

⇒ P/ 4 = P × 10 × N/ 100

⇒ 100/ (10 × 4) = N

⇒ N = 2.5 years

∴ N is 2.5 years

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