272267202607(?)
Option
a) 1821
b)1832
c) 1822
d)1812
e) 1820

• Answer would be 1822
  
  Think as 2 7 22 67 202 607 ?
  
  2*3+1=7
  7*3+1=22
  22*3+1=67
  67*3+1=202
  202*3+1=607
  607*3+1=1822
• 10 years agoHelpfull: Yes(107) No(1)
• Question & Answer both by Soumyabrata :p
• 10 years agoHelpfull: Yes(21) No(4)
• Consider the series as 2 7 22 67 202 607______
  General expression for the series "3*x+1"
  Now,
  3*2+1=7
  3*7+1=22
  3*22+1=67
  3*67+1=202
  3*202+1=607
  3*607+1=1822
  
  Hence, option c) is correct
• 10 years agoHelpfull: Yes(16) No(0)
• let the series 2,7,22,67,202,607
  2*3+1=7
  7*3+1=22
  22*3+1=67
  67*3+1=202
  202*3+1=607
  607*3+1=1822.
  so (c) is the right ans.
• 10 years agoHelpfull: Yes(2) No(0)
• 2 7 22 67 202 607
  2*3+1=7
  7*3+1=22
  .
  .
  .
  202*3+1=607
  607*3+1=1822
  answer is 1822
  
• 10 years agoHelpfull: Yes(1) No(0)
• ans 1822
  2, 7, 22, 67, 202, 607
  2+5=7, 7+(3*5)=22, 22+(3*15)=67, 67+(3*45)=202, 202+(3*135)=607, 607+(3*405)=1822
  
• 9 years agoHelpfull: Yes(1) No(0)
• no = prev. no * 3 + 1
  
  So, 1822
• 10 years agoHelpfull: Yes(0) No(0)
• X3+1 take 2 7 22 67 202 607 1822
• 10 years agoHelpfull: Yes(0) No(0)
• 2
  2*3+1= 7
  7*3+1= 22
  22*3+1= 67
  67*3+1= 202
  202*3+1=607
  607*3+1=1822
• 10 years agoHelpfull: Yes(0) No(0)
• option c. 1822
• 9 years agoHelpfull: Yes(0) No(0)