Multiple choice

The compound interest on a certain sum at the rate of 5 p.c.p.a after 3 years is Rs. 1324.05. What is simple interest? एक निश्चित राशि पर 3 वर्षों में 5 प्र.श.प्र.व. की दर से चक्रवृद्धि 1324.05 है। साधारण ब्याज क्या है?

  1. Rs. 1260 1260 रू.

  2. Rs. 1560 1560 रू.

  3. Rs. 1160 1160 रू.

  4. Rs. 1360 1360 रू.

  5. None of these इनमें से कोई नहीं
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A Correct answer
Explanation

CI = P(1 + 5/100)³ - P = P(1.157625 - 1) = 0.157625P = 1324.05, so P = 8400. SI = 8400 × 5 × 3/100 = 1260. The key is finding P from CI first.

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