Example GIF

What Come next - Math Riddle

86.Math Riddles
What Come next in sequence 1, 2, 6, 21, 88, __?
  • A.108
  • B.445
  • C.200
  • D.345
    • Explanation :  
      
      B 445 
      2=(1+1)1
      6=(2+1)2
      21=(6+1)3
      88=(21+1)4
      So 445=(88+1)5