select the pair which best expresses the relation in original pair
paper:blackboard
option
1. filter:air
2. pencil:pen
3. eraser:chalk
4. polish:shoe

• in paper and blackboard we can write.........
  and using pen and pencil we can write ....
  so option 2 is correct
• 10 years agoHelpfull: Yes(5) No(0)
• pencil:pen will be correct answer
  
  
• 10 years agoHelpfull: Yes(2) No(1)
• 4th option
• 10 years agoHelpfull: Yes(2) No(4)
• the answer is pencil:pen
• 10 years agoHelpfull: Yes(1) No(0)
• wrong ans bcz we cant write by pencile on blackboard
  So correct ans is eraser: chalk
  by this we can erease the data written on both...
• 10 years agoHelpfull: Yes(1) No(0)
• yes Pen:pencil be the best match with paper:blackboard
• 10 years agoHelpfull: Yes(0) No(0)
• polish:shoe
• 9 years agoHelpfull: Yes(0) No(0)
• polish and shoe will be the reltion in original pair
• 7 years agoHelpfull: Yes(0) No(1)