Find the wrong number in the following series:
1, 2, 4, 7, 13, 24, 54, 81

• Ans 54
  The next term in series is the sum of previous two terms
  It should be 1,2,4,7,13,24,44,81
• 12 years agoHelpfull: Yes(2) No(7)
• 1 + 1 = 2
  
  1 + 1 + 2 = 4
  
  1 + 2 + 4 = 7
  
  2 + 4 + 7 = 13
  
  4 + 7 + 13 = 24
  
  7 + 13 + 24 = 44
  
  13 + 24 + 44 = 81
  
  So , The Wrong number is ( 54 ) ..
• 8 years agoHelpfull: Yes(0) No(0)