CLAT 2013 Question Paper with answer key for online practice

Question : 55 of 200

Marks: +1, -0

A rod of 2 cm diameter and 30 cm length is converted into a wire of 3 meter length of uniform thickness. The diameter of the wire is

Solution:

π(1)^2 × 30

= π(r)^2 × 300

⇒ r = 1/√10

cms

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