10 litres of water is added to 50 litres of a solution containing 20% of alcohol in water . What is the strength of alcohol in the solution now ? Choices
A) 20%	B) 16 2/3 %	C) 12 1/2 %	D) 33 1/3 %	E) 23 1/3 %
Quantity of alcohol in 50 litres = 50*20/100= 
<gadget id="calculator">50*20/100</gadget>
<output>10</output>
10   strength in 60 litre solution= 10/60*100 = 100/6 = 16 2/3   ANSWER:16 2/3 %
<result>B</result>
10 litres of water is added to 50 litres of a solution containing 20% of alcohol in water . What is the strength of alcohol in the solution now ?