7,28,40,16,28.........
what will be the next term in the series

• 49
  
  (7,28,40) , (16,28,x)
  
  (28 - 7) = 21
  (40 - 28)= 12
  
  (28 - 16) = 12
  =>(x - 28) = 21
  => x = 49
• 11 years agoHelpfull: Yes(1) No(2)
• start from the begining
  40-28=12
  40-16=24
  28-16=12
  28-x=24
  =>x=28+24=52
• 11 years agoHelpfull: Yes(1) No(3)
• 28-7=21 Hence(7*3=21)
  40-28=12
  40-16=24 (8*3=24)
  28-16=12
  value will be (9*3=27)
  last number + 27=55
  answer is 55...
  
• 11 years agoHelpfull: Yes(1) No(0)
• I think 55
  
  7+(21)=28
  28+(12)=40
  40-(24)=16
  16+(12)=28
  
  sequence is +21 +12 -24 +12 so next must be +27
• 11 years agoHelpfull: Yes(1) No(0)
• 4 is the answer::28+12=40
  28-12=16
  16-12=4
• 11 years agoHelpfull: Yes(0) No(0)
• 52 because we are adding 12 n 24 alternatively so we 28+24=52
  
• 11 years agoHelpfull: Yes(0) No(0)