Three cubes of iron whose edges are 6cm, 8cm and 10cm respectively are melted and formed into a single cube. The edge of the new cube formed is?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 12 cm
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Understanding |
Application |
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Three cubes of iron whose edges are 6 cm, 8 cm and 10 cm respectively are melted and formed into a single cube. |
We know, Volume of a cube = (Side)3 So, Sum of volumes of 3 cubes = 63 + 83 + 103 = 216 + 512 + 1000 = 1728 Hence, Volume of single cube = 1728 Side = 12 cm |