Multiple choice

The simple interest on a sum of certain principal is Rs.1200 in four years at the rate of 8% per annum. What would be the simple interest accrued on thrice of that principal at the rate of 6% per annum in 3 years? एक निश्चित धनराशि पर चार वर्ष में 8% प्रति वर्ष की दर से 1200 रूपये साधारण ब्याज प्राप्त होता है। 3 वर्षों में 6% प्रति वर्ष की दर से उसी धनराशि के तीन गुने पर साधारण ब्याज क्या होगा?

  1. Rs.2025

  2. Rs.3025

  3. Rs.2250

  4. Rs.2150

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A Correct answer
Explanation

Given: SI = 1200, T = 4 years, R = 8%. Principal = (100 × 1200)/(8 × 4) = 3750. New SI on 3×3750 = 11250 at 6% for 3 years: SI = (11250 × 6 × 3)/100 = 2025.