• # question_answer 4/11 of a commodity was sold at a loss of 20% and the rest at a profit of 20%. The net gain is Rs.120. The cost of the commodity is A)  Rs.220            B)  Rs.2220 C)  Rs.2020           D)  Rs.2200

Profit - Loss = Net gain Let quantity be x. $\frac{20}{100}\left( \frac{7x}{10} \right)-\frac{20}{100}\left( \frac{4x}{11} \right)=\text{Rs}\,\,120$ $\therefore$        $x=Rs\,2200$