One litre of water is evaporated from 6 litre of a solution containing 5% salt. The percentage of salt ?
Choose the correct choice.
A) 4 4/19%	B) 5 5/7%	C) 5%	D) 6%	E) None
Answer   Salt in 6 liter = 5% of 6 = 0.30 liter   Salt in new solution = (0.30/5) x 100% = 6%   Correct Option: 6%
<result>D</result>
One litre of water is evaporated from 6 litre of a solution containing 5% salt. The percentage of salt ?