Home » Aptitude » Volume and Surface Area

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

Correct Answer: 84 mts

Explanation:

Vol of silver = πR 2 h   = 66 C.C  


Given D= 1mm => R = D/2 = 1/20 cm  


 


=> 22 7 × 1 20 2 × h  = 66


= 66 x 400 x (7/22) = 8400 cm = 84 mtrs.


← Previous Question Next Question→

Discussion & Comments

No comments yet. Be the first to comment!
Join Discussion