A cistern, open at the top, is to be lined with sheet of lead which weights 27 k

Question

A cistern, open at the top, is to be lined with sheet of lead which weights 27 kg/m2. The cistern is 4.5 m long and 3 m wide and holds 50 m3. The weight of lead required is :

Options:

A . 1660.5 kg

B . 1764.5 kg

C . 1860.5 kg

D . 1864.5 kg

Answer: Option D

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