One-fourth of a tank holds 135 litres of water. What part of the tank is full if it contains 180 litres of water?
Select the correct option
A) 1/2
B) 1/3
C) 1/5
D) 1/6
E) 1/4
135 litres = 1/4 of tank   180 litres = 1/4 x 180/135 = 1/3   Answer 1/3.
<result>B</result>
One-fourth of a tank holds 135 litres of water. What part of the tank is full if it contains 180 litres of water?