5,17,37,55,101,.....?
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Answer / viajy
answer is
(2*2)+1=5
(4*4)+1=17
(6*6)+1=37
(8*8)+1=65
(10*10)+1=101
(11*11)+1=122
(12*12)+1=145
| Is This Answer Correct ? | 14 Yes | 4 No |
Answer / grs
If we consider the set of odd numbers
1,3,5,7,9,11... as x1,x2,x3,x4,x5,x6....
and the expression(Xi*Xi+1)+2
(1*3)+2=5
(3*5)+2=17
(5*7)+2=37
(7*9)+2=65
(9*11)+2=101
If the question was like this -> 5,17,37,65,101.... i.e. 65
instead of 55 then the number next in the series would be
(11*13)+2 = 143
| Is This Answer Correct ? | 3 Yes | 7 No |
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