Kulbhushan started a juice (syrup + water) counter. Initially, he had 140 litres of juice which had 40% water in it. He sold 30 litres of the juice. Then he added equal amounts of of syrup and water. Now the ratio of water to syrup became 3:4. What quantity of water was added?

A

24 litres

B

28 litres

C

26 litres

D

22 litres