Question

What quantity of water should be added to 3 litres of 10% solution of salt, so that it become 5% salt soultion?
(a) 1.5 litre
(b) 2.7 litre
(c) 3 litres
(d) Cannot determined
(e) None of these​

Answer 1

a) 1.5 litre

(b) 2.7 litre

(c) 3 litres

(d) Cannot determined

(e) None of these

I think option c. 3 litres

Answer 2

Answer:

I think option (d) Cannot determine