Q. 95.0( 1 Vote )

A container of side 3.5m is to be painted both inside and outside. Find the area to be painted and the total cost of painting it at the rate of 75 per square meter.

Answer :

Given:

side of container (a) = 3.5cm


Area of cubical box to be painted both sides = 12a2


= 12(3.5)2


Area of cubical box to be painted both sides = 147m2


total cost of painting it at the rate of Rs75 per square meter


then total cost of painting painted box = 147 × 75 = Rs11025


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