A candy dealer makes up a mixture of 3 parts of candy costing him Tk. 60 per pound with 2 parts of candy costing him Tk. 70 per pound and 2 parts of candy costing him Tk. 50 per pound. At what price per pound should he sell his mixture to make a profit of 25 percent?

Correct Answer: Tk. 75
Cost of mixture = 60 TK. per pound At 25% profit, selling price should be = 60 x 125% =  75 TK. per pound