Subject
Quantitative Aptitude
Topic
Areas & Volumes
66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be:
66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be:
ক)
84খ)
90গ)
168ঘ)
336Explanation
Let the length of the wire be h. Radius = ½ mm = 1/20 cm. Then, => 22/7 x 1/20 x 1/20 x h = 66. => h = ((66 x 20 x 20 x 7) / 22) = 8400 cm = 84 m.Related questions
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