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If the cost of covering the Rubik's cube using cubical box at the rate of \(₹\)30 of per \(cm^2\) is \(₹\)72000, find the edge of the Rubik's cube.
 
Marco Rubino   Shutterstock.com.jpg
 
Edge of the Rubik's cube \(=\)  \(cm\)
Reference:
https://www.shutterstock.com/image-photo/rome-circa-february-2013-example-successfully-1092574646 - Photography by Marco Rubino