a) Rs. 4096
b) Rs. 4260
c) Rs. 4335
d) Rs. 4360
Answer: a
Explanation: S.I. on Rs. 4624 for 1 year
$$\eqalign{
& {\text{ = Rs. }}\left( {4913 – 4624} \right) \cr
& {\text{ = Rs. 289}} \cr
& {\text{Rate}} = \left( {\frac{{100 \times 289}}{{4624 \times 1}}} \right)\% \cr
& \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = 6\frac{1}{4}\% \cr
& {\text{Now, }} x{\left( {1 + \frac{{25}}{{400}}} \right)^2} = 4624 \cr
& x \times \frac{{17}}{{16}} \times \frac{{17}}{{16}} = 4624 \cr
& x = \left( {4624 \times \frac{{16}}{{17}} \times \frac{{16}}{{17}}} \right) \cr
& x = 4096 \cr} $$
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