Multiple choice

The difference between simple and compound interest compounded yearly at the rate of 4% in a two year period is Rs. 10. The amount invested is- 4% की दर से वार्षिक रूप से संयोजित होने पर 2 वर्ष के समय के लिए साधारण ब्याज और चक्रवृद्धि ब्याज का अन्तर 10 रू. है। निवेशित की गई धनराशि है-

  1. Rs. 4500

  2. Rs. 5750

  3. Rs. 6000

  4. Rs. 6250
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

For 2 years at 4%, let principal = P. Simple Interest = P×4×2/100 = 0.08P. Compound Interest = P×(1.04)² - P = P×1.0816 - P = 0.0816P. Difference = CI - SI = 0.0816P - 0.08P = 0.0016P = Rs. 10. Therefore P = 10/0.0016 = 6250.

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