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A cuboidal metal of dimensions 44 cm × 30 cm × 15 cm was melted and cast into a cylinder of height 28 cm. Its radius is _____.
  • a)
    20 cm
  • b)
    15 cm
  • c)
    10 cm
  • d)
    25 cm
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A cuboidal metal of dimensions 44 cm × 30 cm × 15 cm was m...
Volume of cuboid = 44 x 30 x 15 cm
This volume is equal to volume of cylinder
∴ 44 x 30 x 15 = π x r2 x 28
∴ r = 15 cm
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