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

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Solution

$r = 4.2$ $m$
$h = 3.5$ $m$

Volume of the drum = $π r^{2} h = [3.14 \times (4.2)^{2} \times 3.5]$ $m^{3}$

The volume of each bag of wheat $= 2.1$ cubic meter

Number of bags = $\frac{3.14 \times 4.2 \times 4.2 \times 3.5}{2.1} = 92.316 = 92$ bags nearly

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

r=4.2 m h=3.5 mVolume of the drum = πr2h=[3.14×(4.2)2×3.5] m3The volume of each bag of wheat =2.1 cubic meterNumber of bags = 3.14×4.2×4.2×3.52.1=92.316=92 bags nearly

$r = 4.2$ $m$
$h = 3.5$ $m$

Volume of the drum = $π r^{2} h = [3.14 \times (4.2)^{2} \times 3.5]$ $m^{3}$

The volume of each bag of wheat $= 2.1$ cubic meter

Number of bags = $\frac{3.14 \times 4.2 \times 4.2 \times 3.5}{2.1} = 92.316 = 92$ bags nearly