Area and Perimeter Practice Test 2

Question : 3 of 40

Marks: +1, -0

A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per

m^2

Solution:

Area of 4 walls and bottom of the tank = 2(25 + 12) × 6 + 25 × 12
= 744

m^2

The cost of plastering = 744 × Re.

{75}/{100}

= Rs. 558

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