A sum of 2X is invested at 8% p.a. compound interest. If the compound interest earned after 2 years is ₹820, find X.

25000
26000
27000
28000

Correct answer: 25000

Solution

The question text shows embedded calculation steps: 2X(1.08²) - 2X = 820 → 0.3328X = 820. However 820/0.3328 ≈ 2464, not 25000. This is a corrupted question where the working steps don't match the answer options. The intended answer from the source is 25000, suggesting a different original problem (possibly different principal or interest rate).

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