A cubic metre of copper weighting 9000 kg is rolled into a square bar – McqOptions

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1.	A cubic metre of copper weighting 9000 kg is rolled into a square bar 9 m long. An exact cube is cut off from the bar. How much does the cube weigh?
A.	1000 kg
B.	1000/3 kg
C.	300 kg
D.	500/3 kg
Answer» C. 300 kg

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