Into a circular drum of radius 4.2 m and height 3.5m , how many full bags of wheat can be emptied if the space required for wheat in each bag is 2.1 cubic m .

Answers (1)

Solution :  We have , r=4.2m , h=3.5m

	herefore               Volume of the drum  = (pi r^2h)m^3=left  3.15	imes(4.2)^2 	imes 3.5 
ight m^3

                 Volume of each bag of wheat =2.1m^3

	herefore              Number of bags      = fracVolume Of DrumVolume Of a Bag=frac3.14	imes4.2	imes 4.2	imes3.52.1

Rightarrow            Number of bags =3.14	imes8.4	imes3.5=92.316=92bags nearly

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