An open cuboidal cistern is externally 1.6 m long, 1.3 m wide and 53 c – McqOptions

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1.	An open cuboidal cistern is externally 1.6 m long, 1.3 m wide and 53 cm high. Its capacity is 900 litres and its walls are 5 cm thick. The thickness (in cm) of the bottom is:
A.	4
B.	3
C.	5
D.	2
Answer» C. 5

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