66 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	B) 90	C) 94	D) 95	E) 65
Let the length of the wire be h.   R84DIUM = 1/2 mm = 1/20 cm then   22/7*1/20*1/20*h = 66   h=(66*20*20*7/22)= 
<gadget id="calculator">(66*20*20*7/22)</gadget>
<output>8_400</output>
8400 cm= 84m   84NSWER 84
<result>A</result>
66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be: