Question

density of a Cuboid of mass 200g with dimension length 2cm breadth4cm and height 5cm

Answer 1

Mass of cuboid=200g
length of cuboid=2cm
breadth of cuboid=4cm
height of cuboid=5cm
Now
density of cuboid=mass÷volume
Volume =l×b×h=40
therefore density =200÷40=20

Answer 2

mass=200g
length=2cm
breadth=4cm
height =5cm
volume of cuboid=2(length*breadth+breadth*height+height*length)
=2(2*4+4*5+5*2)
$density = \frac{mass}{volume}$
$density = \frac{200}{2(8 + 20 + 10) } \\ density = \frac{200}{76} \\ density = \frac{50}{19} \\ density = 2.63 \: \frac{g}{ {cm}^{3} }$
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