CSC Company Numerical Ability Area and Volume

66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be:

A. 84
B. 90
C. 168
D. 336

Read Solution (Total 2)

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84meter
12 years agoHelpfull: Yes(1) No(3)

A. 84

Vol of silver = Pi*r^2 *l =66 CC
or
(22/7)*(1/20)^2 *l =66
l= 66*400*7/22 = 8400 cm= 84 mtrs
12 years agoHelpfull: Yes(1) No(4)

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II.
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