a) Rs. 1007
b) Rs. 1192
c) Rs. 1568
d) Rs. 1857
Answer: d
Explanation:
$$\eqalign{
& {\text{Arun}}:{\text{Bakul}} = \left( {38000 \times 12} \right):\left( {55000 \times 7} \right) \cr
& = 456000:385000 \cr
& = 456:385 \cr
& {\text{Required difference}} = {\text{Rs}}{\text{.}}\,\left[ {22000 \times \left( {\frac{{456}}{{841}} – \frac{{385}}{{841}}} \right)} \right] \cr
& = {\text{Rs}}{\text{.}}\left( {22000 \times \frac{{71}}{{841}}} \right) \cr
& = {\text{Rs. }}{\text{1857}}{\text{.31}} \cr
& = {\text{Rs. }}{\text{1857 }} \cr} $$
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