Insert the missing number
2, 9, 28, 65, ...
A. 126 B. 195
C. 121 D. 103

• the series are 2,9,28,65,126
  logic is 1cube+1,2cube+1, 3cube+1,4cube+1, 5cube+1
  so the answer is 126
• 12 years agoHelpfull: Yes(10) No(1)
• Ans: A. 126
  
  Explanation:
  Series is N^3+1. Where N is 1,2,3,4,5.....
• 12 years agoHelpfull: Yes(7) No(4)
• ans: a 126
  
  2, 9, 28, 65, .126. .
  diff: 7 19 37 61
  diff: 12 18 24
  diff 6 6
• 12 years agoHelpfull: Yes(1) No(3)
• a(2^3+1,3^3+1,4^3+1,5^3+1
  
• 9 years agoHelpfull: Yes(1) No(1)