A solution of sugar is obtained by mixing 200 g of its 25 % solution and 500 g of its 40 % solution (both by mass). The mass percentage of the resulting sugar solution is _______ (Nearest integer)

Step-by-step solution

Mass of solution =   200   +   500   =   700   g 25 % of sugar solution means 100 g solution contain 25 g sugar 40 % of sugar solution means 100 g solution contain 40 g sugar Mass of sugar =   0 . 25   ×   200   +   0 . 40   ×   500 =   50   +   200   =   250   g Mass % of resulting solution = 250 700 × 100 = 36 %