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A tank is 3/4 full. Then 2/3 of the water in it is used. What fraction of the whole tank is still filled?

A1/2
B5/12
C1/4
D2/3
Answer & Solution
Correct answer: C. 1/4
1/3 of the water remains, and 3/4 × 1/3 = 1/4 of the tank.
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