Multiple choice

The compound interest on Rs 25000 at 12% per anmum for n year is Rs 8241.6 what is the value of n? 25000 रूपयें की राशि पर 12% वार्षिक दर से द वर्षों का चक्रवृद्धि ब्याज 8241.6 है। n का मान क्या होंगा?

  1. 4 year

  2. 3.5 year

  3. 3 year

  4. 2.5 year
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Using A = P(1 + r/100)^n: Amount = 25000 + 8241.6 = 33241.6. So 33241.6 = 25000(1.12)^n. 33241.6 ÷ 25000 = 1.32966. Testing n = 2.5: (1.12)^2.5 = 1.3296 (approximately). Therefore n = 2.5 years.

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