When 32 litres of water is added, 50% of a cubical aquarium is filled. The height of the aquarium is cm.
A
40
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B
35
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C
50
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Solution
The correct option is A 40 50% of the aquarium is filled with 32 litres of water. ∴ 100% of the aquarium would be filled if 32 litres of more water is added.
Total capacity of aquarium =32+32=64l
We know that 64l = 64000cm3
Volume of a cube =a×a×a 64000=40×40×40⇒a=40
For a cube, all the sides are equal. Therefore, the height of the aquarium would be 40cm.