If a man buys 1 liter of milk for 12 rs. and mixes it with 20% water and sells it for 15 rs then what is the %age of gain... Select the correct option: A) 30 B) 40 C) 50 D) 60 E) 70
Quantity after adding 20% water=1.2 liter   SP of 1.2 lit.@15 Rs./liter=15*1.2= 
<gadget id="calculator">15*1.2</gadget>
<output>18</output>
18 Rs   CP=12 Rs/lit.   % profit=100*(18-12)/12= 
<gadget id="calculator">100*(18-12)/12</gadget>
<output>50</output>
50   ANSWER:50
<result>C</result>
If a man buys 1 liter of milk for 12 rs. and mixes it with 20% water and sells it for 15 rs then what is the %age of gain...