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A rectangular tank is 4m long 3m wide 1.5m deep. it is filled with water upto o.6m. how many rectangular stones of size 15cm10cm8cm can be dropped in it so that water rises upto the top?
Wiki User
∙ 16y ago
WELL,
The volume of the tank is 4*3*1.5=18m3.
The volume of a rectangular stone is 0.15*0.1*0.08=0.0012m3.
To raise the water to the top, the volume of stones that occupy the tank must be equal to the remaining space unfilled by water.
That is,
Volume of stones to be dropped = Volume of Tank - Volume of water in the tank.
Now the Volume of water in the tank is 0.6*4*3=7.2m3.
Empty space in tank = 18 - 7.2 m3 = 10.8m3.
To get the number of stones to be dropped to fill this empty volume,
Number of stones = Volume of empty space / volume of a stone.
= 10.8 / 0.0012 = 9000.
Wiki User
∙ 16y ago
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