0.05kgm-3
1.25kgm-3
1.30kgm-3
1.36kgm-3
Correct answer is D
Mp = 1 x 40 = 40kg ; mQ = 1.6 x 60 = 96kg
volume of mixture = 40 + 60 = 100m3
mass of mixture = 40 + 96 = 136kg
density of mixture = 136100
= 1.36kgm3
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