If the cost price of 120 articles is equal to the selling price of 80 articles, find the profit percent.A33.33%B40%C50%D60%Answer: C. 50% Read Explanation: CP[120]=SP[80]CP [120] = SP [80] CP[120]=SP[80]CP : SP = 80 : 120 CP:SP=2:3CP : SP = 2 : 3 CP:SP=2:3So let us take CP=2x, SP=3x profitprofit %=$\frac{SP-CP}{CP}\times100profit=\frac{3x-2x}{2x}\times100=1x2x×100=\frac{1x}{2x}\times100=2x1x×100$=50% Read more in App