NumericalModerate2 marks
A solid cone of radius 5 cm and height 9 cm is melted and made into small cylinders of radius of 0.5 cm and height 1.5 cm. Find the number of cylinders so formed.
Topic: Mensuration of solids
Previous-year question practice database
Answer
Solution diagram
Exam answer
200 cylinders
Explanation
Equate volumes: (1/3)π(5²)(9) = n·π(0.5²)(1.5). Thus n = 200.
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