Calculate the compound interest on Rs. 4000 for 2 years at 20% per annum when compounded annually.
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Correct answer: (A) 1856.4
Explanation
Note: Official BSEB final answer key marks option A. By standard calculation, CI on Rs. 4000 at 20% p.a. for 2 years = 4000 × (1.2² − 1) = Rs. 1760, which none of the options state exactly.