2,3,10,15,26,35,50,?

• 63
  
  1*1+1=2
  2*2-1=3
  3*3+1=10
  4*4-1=15
  ..
  ..
  8*8-1=63
• 11 years agoHelpfull: Yes(96) No(0)
• 2,3,10,15,26,35,50,?
  2-3=1,10-15=5,26-35=9,50
  1-5=4,5-9=4,9+4=13
  50+13=63
• 10 years agoHelpfull: Yes(10) No(4)
• 63
  2,10,26,50
  devide by 2 then difference is 4,8,12
  3,15,35
  devide by 2 then difference 6,10
  so the next no. will be 63 because 63/2=31.5, diffrence 31.5-14=17.5
• 11 years agoHelpfull: Yes(2) No(10)
• First split the series to 3 groups as
  
  1.(2,3)---> 3-2=1
  here 1+ 4=5
  2.(10,15)---> 15-10=5
  here 5+4=9
  3.(26,35)---> 35-26=9
  so next number should be ( 9+4 = 13)
  answer is 50+13=63
• 8 years agoHelpfull: Yes(2) No(0)
• 1*1+1, 2*2-1, 3*3+1, 4*4-1, 5*5+1, 6*6-1, 7*7+1, ..
  so next answer is 8*8-1 = 63
• 9 years agoHelpfull: Yes(0) No(0)
• square of numbers: 1 4 9 16 25 36 49 64
  +1 -1 +1 -1 +1 -1 +1 -1
  answer = 63
• 7 years agoHelpfull: Yes(0) No(0)
• please send the answer fast
• 7 years agoHelpfull: Yes(0) No(0)
• 63 is answer
• 6 years agoHelpfull: Yes(0) No(0)