Q. 75.0( 3 Votes )

# A closed iron tan

Answer :

Given,

Length of tank = 12 m

Width of tank = 9m

Depth of tank = 4m

So,

Area of sheet required = total surface area of tank

= = Let = = = Then,

Cost of iron sheet at rate Rs.5 per metre = 5×192 = Rs. 960

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