Multiple choice

If the compound interest on a certain sum for two years at 12% per annum is Rs 1908, the simple interest on it at the same rate for 2 years will be - यदि एक धनराशि पर दो वर्षो का 12% वार्षिक ब्याज की दर से चक्रवृद्धि ब्याज 1908 रू.हो, तो उसी दर पर दो वर्षो का साधारण ब्याज होगा-

  1. Rs./रु.1600

  2. Rs./रु.1650

  3. Rs./रु.1700

  4. Rs./रु.1800
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let principal be P. CI for 2 years at 12%: P(1.12)² - P = 1908, so P(1.2544 - 1) = 1908, giving P = 1908/0.2544 = 7500. SI for 2 years at 12%: 7500 × 0.12 × 2 = 1800. Option A (1600) is 10% of P for 2 years, ignoring the actual rate.

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