11 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be :
Choose one:
A) 84 m B) 88 m C) 14 m D) 137 m E) None
Sol.   Let the length of the wire b h.   Radius = 1/2 mm = 1/20 cm. Then,   22/7 * 1/20 * 1/20 * h = 11 ⇔ = [11 * 20 * 20 * 7 / 22= 
<gadget id="calculator">11 * 20 * 20 * 7 / 22</gadget>
<output>1_400</output>
1400cm= 14 m.   Answer 14 m
<result>C</result>
11 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be :