Q. Whats the next no of following series
2,3,10,15,26

• 1^2+1,2^2-1,3^2+1,.....6^2-1=35 is d answer
• 10 years agoHelpfull: Yes(17) No(1)
• 2*2-1=3
  3*3+1=10
  4*4-1=15
  5*5+1=26
  6*6-1=35
  ans 35
• 10 years agoHelpfull: Yes(6) No(0)
• n^+1,n^2-1 series.
• 10 years agoHelpfull: Yes(2) No(0)
• The ans is 35 because
  2+1=3 (the second term is 1)
  3+7=10 (1+6 gives you 7)
  10+5=15 (7-2 gives you 5)
  15+11=26 (5+6 gives you 11)
  in this way, the next in series will be
  26+9=35 (since 11-2 gives you 9)
  
  
  
• 10 years agoHelpfull: Yes(2) No(0)
• 2^2-1=3
  3^2+1=10
  4^2-1=15
  5^2+1=26
  6^2-1=35
• 10 years agoHelpfull: Yes(1) No(0)
• 35
  6^2-1=35
• 10 years agoHelpfull: Yes(0) No(0)
• ans must be 35.
  2x2-1=3
  3X3+1=10
  4X4-1=15
  similarly.....
  6x6-1=35
  
  
• 10 years agoHelpfull: Yes(0) No(0)
• 1^2 +1= 2
  2^2-1=3
  3^2+1=10
  4^2-1=15
  5^2+1=26
  6^2-1=35
• 10 years agoHelpfull: Yes(0) No(0)