Question

A solution of salt and water contains 5% salt by weight. Of it 20 kg water evaporates and the
solution now contains 15% of salt. Find the original quantity of solution.
(1) 15 kg
(2) 30 kg
(3) 18 kg
(4) 24 kg
(5) None of these​

Answer 1

Answer:

option 3 is the correct answer