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Volume of a Cuboid

Volume of a m...

Question

Volume of a marble is 3 cubic cm. What would be the level of water if three-fifth marbles are removed?

A

15 ml

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B

17 ml

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C

21 ml

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D

24 ml

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Solution

The correct option is C 21 ml
Total marbles = 5 marbles
Three-fifth marbles = 3 out of 5 marbles
so 3 out of 5 marbles removed, 2 marbles are left

Volume of a marble = 3 cu. cm
Volume of 3 marbles = 9 cu. cm
We know,
1 cubic cm = 1 ml
So, 9 cubic cm = 9 ml
Initial level of water = 30 ml
Final level after removing 3 marbles = 30 ml - 9 ml = 21 ml

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