Question

A solid metallic circular cylinder of radius 14cm and height 12cm is melted and recast into small cubes of edge 2cm. how many such cubes can be made from the solid cylinder

Answer 1

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Answer 2

Answer:

924

Step-by-step explanation:

Radius of cylinder = 14 cm

Height of cylinder = 12 cm

Volume of cylinder = $\pi r^2 h = \frac{22}{7}\times 14^2 \times 12 = 7392cm^3$

Edge of cube = 2 cm

Volume of cube = $Side^3 = 2^3 = 8 cm^3$

Now Cylinder is melted into cubes

So, No. of cubes so formed = $\frac{7392}{8}=924$

Hence 924 cubes are formed