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Prakshit makes a cuboid of plasticine …

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Prakshit makes a cuboid of plasticine of sides 5cm, 2cm , 5cm. How many cuboids will he need to form a cube?

Posted by Charu Mathi 6 years, 3 months ago

CBSE > Class 08 > Mathematics

1 answers

Yogita Ingle 6 years, 3 months ago

To find the answer we need to calculate the LCM of 5 and 2. The cube with each sides measuring equal to the LCM will give the dimensions of required cube.
LCM of 5 and 2 = 10
Volume of cuboid =5 × 5 × 2 = 50 cubic cms
Volume of bigger cube =10³=1000 cubic cms
Number of cuboids required to make the bigger cube

= Volume of bigger cube/Volume of cuboid

= 1000/50 = 20

2Thank You

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Posted by Monika 8B 9 months ago

CBSE > Class 08 > Mathematics