Multiple choice

In 4 years at simple interest the principal increases by 32%. What will be the compound interest earned (in Rs.) on Rs. 24,000 in 3 years at the same rate? साधारण ब्याज पर 4 वर्षों में मूलधन 32% बढ़ जाता है । उसी दर पर 3 वर्ष में 24,000 रु. पर अर्जित चक्रवृद्धि ब्याज (रु. में) क्या होगा?

  1. 5233

  2. 6332

  3. 5332

  4. 6233
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D Correct answer
Explanation

Simple interest increases principal by 32% in 4 years, so rate = 32% ÷ 4 = 8% per year. Compound interest on 24,000 for 3 years at 8%: 24,000 × (1.08³ - 1) = 24,000 × (1.259712 - 1) = 24,000 × 0.259712 = 6,233.09 ≈ 6,233.

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