The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is
A. 200 kg/m3
B. 400 kg/m3
C. 600 kg/m3
D. 800 kg/m3
Answer: Option D
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1 Tonne= 1000kg
So, density= Mass/Volume
=2000kg/2.5m3
=800kg/m3