Find the next number in the series
1, 6, 13, 22, 33, ......
1] 44
2] 45
3] 46
4] 47

• 1+5= 6
  6+7=13
  13+9=22
  22+11=33
  33+13= 46
• 8 years agoHelpfull: Yes(7) No(0)
• 1^2 + 2(0) = 1
  2^2 + 2(1) = 6
  3^2 + 2(2) = 13
  4^2 + 2(3) = 22
  5^2 + 2(4) = 33
  
  So next term would be..
  6^2 + 2(5) = 46
• 8 years agoHelpfull: Yes(3) No(0)
• 6 13 22 33 (46)
  difference: 7 9 11 13
  Add +2 +2 +2 +2
• 8 years agoHelpfull: Yes(1) No(0)
• 46
  33+13=46
• 7 years agoHelpfull: Yes(1) No(0)
• 1+5= 6
  6+7=13
  13+9=22
  22+11=33
  33+13= 46
• 7 years agoHelpfull: Yes(1) No(0)
• 1 + 5 = 6
  6 + 7 = 13
  13 + 9 = 22
  22 + 11 = 33
  33 + 13 = 46
  
  Here 5,7,9,11,13 difference is 2. It is adding to previous result.
• 7 years agoHelpfull: Yes(1) No(0)
• 1+5=6
  6+7=13
  13+9=22
  22+11=33
  33+13=46
• 6 years agoHelpfull: Yes(1) No(0)
• 6-13=7
  13-22=9
  22-33=11
  obviously 46-33=13
  then answer is 46
• 5 years agoHelpfull: Yes(1) No(0)
• +7 +9 +11 +13 and so on... 46 is right answer.
• 3 years agoHelpfull: Yes(1) No(0)
• ans is 45
• 5 years agoHelpfull: Yes(0) No(1)
• 16+7=13,13+9=22,22+11,33+13=46
• 4 years agoHelpfull: Yes(0) No(0)
• 1-->2^2-3
  6-->3^2-3
  13-->4^2-3
  22-->5^2-3
  33-->6^2-3
  46-->7^2-3
• 3 years agoHelpfull: Yes(0) No(0)