20 14 8
10 5 10
5 ? 3

• ans is 4
  difference bet 20&14=6 and 14&8=6
  10&5=5 and 5&10=5
  similarly
  5&4=1 and 4&3=1
  
• 10 years agoHelpfull: Yes(8) No(0)
• Ans. 10
  
  
  14+8-20=2
  10+5-10=5
  3+10-5=8
• 10 years agoHelpfull: Yes(0) No(4)