There are deer and peacocks in a zoo. By counting heads they are 80. The number of their legs is 200. How many peacocks are there ?

A. 20 B. 30
C. 50 D. 60

• D. 60
  
  D+P=80
  or
  4D+4P=320
  4D+2P=200
  2P=120
  P=60
• 12 years agoHelpfull: Yes(9) No(3)
• let no. of deers are x,
  no. of peacocks are y,
  Heads x+y=80
  Legs 4x+2y=200 (4legs for deer and 2 legs for peacock)
  solving these two equations we get x=20, y=80-20=60
  hence no. of peacocks are 60
• 8 years agoHelpfull: Yes(2) No(0)
• The answer is 60
• 10 years agoHelpfull: Yes(1) No(0)