Question
A sphere of radius 21 cm is melted and recast to form
‘n’ numbers of smaller cuboids of dimension 21 cm × 11 cm × 7 cm. Find the value of ‘n’.Solution
According to question;
(4/3) × (22/7) × 21 × 21 × 21 = n × 21 × 11 × 7
Or, n = 24
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