Multiple choice

In how much time will a sum of Rs 1600 amount to Rs 1852.20 at 5% per annum compound interest? रू 1600 की एक राशि कितने समय में 5% प्रति वर्ष चक्रवृद्धि ब्याज से रू 1852.20 हो जायेगी?

  1. 3

  2. 2.5

  3. 3.5

  4. 4
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Using compound interest formula A = P(1 + r/100)^t. For year 3: 1600 × 1.05³ = 1600 × 1.157625 = 1852.20. This matches exactly. For year 2.5, we'd need fractional year calculation, and 3.5 or 4 years would exceed the amount.

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