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Standard VIII

Mathematics

Volume of a Cuboid

The internal ...

Question

The internal length, breadth, and height of a box are $30 c m, 24 c m$ and $15 c m$ . Find the largest number of cubes which can be placed inside this box, if the edge of each cube is $5 c m$ .

72

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70

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68

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74

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Solution

The correct option is A $72$
Cubes along length $= \frac{30}{5} = 6 = 7$
Cubes along width $= \frac{24}{5} = 4$
Cubes along height $= \frac{15}{5} = 3$
$∴$ The total no. of cubes placed $= 7 \times 4 \times 3 = 72$

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The internal length, breadth, and height of a box are 30cm,24cm and 15cm. Find the largest number of cubes which can be placed inside this box, if the edge of each cube is 5cm.

The correct option is A 72Cubes along length =305=6=7Cubes along width =245=4Cubes along height =155=3 ∴ The total no. of cubes placed =7×4×3=72

The internal length, breadth, and height of a box are $30 c m, 24 c m$ and $15 c m$ . Find the largest number of cubes which can be placed inside this box, if the edge of each cube is $5 c m$ .

The correct option is A $72$
Cubes along length $= \frac{30}{5} = 6 = 7$
Cubes along width $= \frac{24}{5} = 4$
Cubes along height $= \frac{15}{5} = 3$
$∴$ The total no. of cubes placed $= 7 \times 4 \times 3 = 72$