Q14 of 22 Page 258

How many lead cubes of side 2cm. Could be made from a lead cube of side 8cm?

Let n cubes of side 2 cm be made from lead cube of 8 cm

So, n × volume of lead cube of 2 cm = volume of lead cube of 8 cm


⇒ n × 23 = 83


⇒ n × 8 = 83


n = 82


n = 64.


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