How many litres of pure salt are there in 12 litres of a 25% solution?
Choose the correct choice from the following answers:
A) 1.14 litres  B) 1.41 litres  C) 2.56 litres  D) 3 litres  E) 34litres
Explanation :   Quantity of pure salt = 25% of 12 litres   = (25/10012)litres   = 3 litres   Answer : 3 litres
<result>D</result>
How many litres of pure salt are there in 12 litres of a 25% solution?