Multiple choice

Simple interest on a sum for 9 months at 8% per annum is Rs.270. What is the value (in Rs.) of the sum? 8% वार्षिक ब्याज दर पर 9 महीने के लिए एक राशि पर साधारण ब्याज 270 रुपये है । मूलधन (रु. में) क्या है?

  1. 5200

  2. 5400

  3. 4500

  4. 3600
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C Correct answer
Explanation

Simple Interest formula: SI = P × R × T / 100. Here, SI = 270, R = 8%, T = 9 months = 9/12 years = 0.75 years. So 270 = P × 8 × 0.75 / 100 = P × 6/100. Therefore P = 270 × 100/6 = Rs. 4500. Remember to convert time to years when rate is per annum.

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