Question

Find how many cubes of side 1 cm each can be made by melting a cuboid with dimensions 20cm × 40cm × 5cm?

A 400 Correct Answer Incorrect Answer
B 40 Correct Answer Incorrect Answer
C 4000 Correct Answer Incorrect Answer
D 4 Correct Answer Incorrect Answer

Solution

Volume of cuboid = 20x 40x 5 ; Volume of cube = 1x 1x 1 , Hence number of cubes = volume of cuboid/volume of cube = (20 x 40 x 5)/(1 x 1 x 1) = 4000

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