a) 3%
b) 4%
c) 5%
d) 6%
Answer: d
Explanation:
$$\eqalign{
& {\text{S}}{\text{.I}}{\text{.}} = Rs.\,\left( {15500 – 12500} \right) \cr
& \,\,\,\,\,\,\,\,\,\, = Rs.\,3000 \cr
& {\text{Rate}} = \left( {\frac{{100 \times 3000}}{{12500 \times 4}}} \right)\% \cr
& \,\,\,\,\,\,\,\,\,\,\,\,\,\, = 6\% \cr} $$
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