A tank holds 40 L and is 3/5 full. After 1/4 of the water in it is used, how many litres remain?
A24 L
B10 L
C6 L
D18 L
Answer & Solution
Correct answer: D. 18 L
The tank has 24 L, and using 1/4 of it leaves 3/4 x 24 = 18 L.
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