7,5,9,12,18,36,47,72, ??????

• consider 5,12,26,47
  5+7=12,12+7*2=26,26+7*3=47,47+7*4=75
  for the rest 9,18,36,72,
  9*2^0=9
  9*2^1=18
  9*2^2=36
  9*2^3=72
  9*2^4=144
  Ans :-75,144
  
• 12 years agoHelpfull: Yes(4) No(8)
• ans is 75...series is 5,9,12,18,26,36,47,72,?...first term & third term diff 7 ..third & fifth diff is14 ,, fifth & seventh is 21 ..&seventh &ninth should be 28 so 75
• 12 years agoHelpfull: Yes(3) No(12)
• plz any1 correct the series
• 12 years agoHelpfull: Yes(2) No(1)
• it is 79 i think
• 12 years agoHelpfull: Yes(0) No(15)