A sampler with a volume of 50 cm3 is filled with a soil sample. When the soil is poured into a graduated cylinder, if displaces 30 cm3 of water, then porosity and void ratio of the soil respectively are
1
0.67 and 0.8
2
0.67 and 0.4
3
0.4 and 0.67
4
0.8 and 0.67
5
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