Q. A certain sum amounts to 5832 Rs. in 2 years at 8% per annum compound interest, the sum is :
Answer: 5000 Rs
Notes: $latex 5832 = P \left ( 1+\frac{8}{100} \right )^{2}&s=1$ $latex => 5832 = P \left ( 1+\frac{2}{25} \right )^{2}&s=1$ $latex => 5832 = P\times \frac{27}{25}\times \frac{27}{25}&s=1$ $latex => P = \frac{5832\times 25\times 25}{27\times 27} = 5000 Rs.&s=1$ Hence option [A] is correct answer.

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