Question

odd man out rubber copper wood glass​

Answer 1

copper ...as it contain electricity....

Answer 2

The odd one is copper.

• There are four substances mentioned in the question - rubber, copper, wood and glass.
• The wood, rubber and glass are insulator of the electricity because these substances cannot conduct electricity.
• Only, the copper can efficiently conduct electricity among the four substances mentioned in the question.
• That's why, the copper is the odd substance among the given substances.