a) Rs. 4000, Rs. 2000
b) Rs. 5000, Rs. 1000
c) Rs. 3000, Rs. 3000
d) None of these
Answer: a
Explanation:
$$\eqalign{
& {\text{Let}}\,{1^{st}}\,{\text{part}}\,{\text{is}}\,x\,{\text{and}}\,{2^{nd}}\,{\text{part}}\,{\text{is}}\,\left( {6000 – x} \right) \cr
& {\text{According}}\,{\text{to}}\,{\text{question}}, \cr
& {\frac{{x \times 2 \times 6}}{{100}}} = \frac{{ {\left( {6000 – x} \right) \times 3 \times 8} }}{{100}} \cr
& 12x = 144000 – 24x \cr
& \,36x = 144000 \cr
& \,x = \frac{{144000}}{{36}} = Rs.\,4000 \cr
& {1^{st}}\,{\text{part}} = Rs.\,4000 \cr
& {2^{nd}}\,{\text{part}} = Rs.\,2000 \cr} $$
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