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Dimensions of vessel = 1m×0.6m×0.5m
Volume of vessel = l×b×h
= 1×0.6×0.5
= 0.3m³ = 300000cm³
Diameter of each grain = 0.3cm
Volume of each grain = 4/3πr³
= 4/3×22/7×(0.3)³
No. of grains = 300000÷4/3×22/7×(0.3)³
= 30927.27
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