1.

Vijay fills \[\frac{1}{5}\] of the tank with water. Ajay fills \[\frac{2}{5}\] of a tank. How much of the tank do they filled in all?

A.  \[\frac{3}{25}\]   
B.  \[\frac{3}{10}\]
C.
D.  \[\frac{2}{5}\]
Answer» D.  \[\frac{2}{5}\]


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