Calculate the amount and interest on Rs $1800$ for $3$ years at $12\frac{1}{2}\% $ per annum compound annually

Using the compound interest formula, the amount equals 1800 multiplied by the quantity 1 plus 0.125, all raised to the power of 3. This simplifies to 1800 times 1.423828125, resulting in a total amount of Rs. 2562.89. Subtracting the original principal of 1800 from this amount gives a compound interest of Rs. 762.890.

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