a) No profit, no loss
b) 5%
c) 8%
d) 10%
Answer: b
Explanation:
$$\eqalign{
& {\text{C}}{\text{.P}}{\text{. of 56 kg rice}} \cr
& = {\text{ }}Rs.{\text{ }}\left( {26{\text{ }} \times {\text{ }}20{\text{ }} + {\text{ }}30{\text{ }} \times {\text{ }}36} \right) \cr
& = {\text{ }}Rs.{\text{ }}\left( {520{\text{ }} + {\text{ }}1080} \right) \cr
& = {\text{ }}Rs.{\text{ }}1600 \cr
& {\text{S}}{\text{.P}}{\text{. of 56 kg rice}} \cr
& = {\text{ }}Rs.{\text{ }}\left( {56{\text{ }} \times {\text{ }}30} \right) \cr
& = {\text{ }}Rs.{\text{ }}1680 \cr
& \therefore {\text{Gain}} = \left( {\frac{{80}}{{1600}} \times 100} \right)\% \cr
& \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = 5\% \cr} $$
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