How many litres of pure acid are there in 8 litres of a 20% solution Answers.
A) 1.5	B) 1.6	C) 1.7	D) 1.8	E) 1.9
Explanation:   Question of this type looks a bit typical, but it is too simple, as below...   It will be   8 * 20/100= 
<gadget id="calculator">  8 * 20/100</gadget>
<output>8/5 = around 1.6</output>
1.6   Answer: Option 1.6
<result>B</result>
How many litres of pure acid are there in 8 litres of a 20% solution