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I purchased 120 exercise books at the rate of Rs. 3 each and sold $$\frac{1}{3}$$ of them at the rate of Rs. 4 each, $$\frac{1}{2}$$ of them at the rate of Rs. 5 each and the rest at the cost price. My profit percent is -
Answer & Solution
Correct Answer:
Option
C
Total C.P. = Rs. (120 × 3) = Rs. 360
Total S.P. = Rs. (40 × 4 + 60 × 5 + 20 × 3) = Rs. 520
Profit = Rs. (520 - 360) = Rs. 160
$$\eqalign{ & \therefore {\text{Profit}}\% \cr & = \left( {\frac{{160}}{{360}} \times 100} \right)\% \cr & = \left( {\frac{{400}}{9}} \right)\% \cr & = 44\frac{4}{9}\% \cr} $$
Total S.P. = Rs. (40 × 4 + 60 × 5 + 20 × 3) = Rs. 520
Profit = Rs. (520 - 360) = Rs. 160
$$\eqalign{ & \therefore {\text{Profit}}\% \cr & = \left( {\frac{{160}}{{360}} \times 100} \right)\% \cr & = \left( {\frac{{400}}{9}} \right)\% \cr & = 44\frac{4}{9}\% \cr} $$
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