60cm cube of sliver is drawn into wire 1mm in diameter. what is the length of wire in meter
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Volume of cube = 60 × 60 × 60
= 216 × 10^3
Radius of cylindrical wire = 1/20
Volume of cube = Volume of cylindrical wire
216 × 10^3 = 22/7× 1/400 × h
216 × 10^5 ×7/22 = h
756/11 × 10^5 = h
Simplify it to get desired answer
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