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Maths Puzzle
Numerical Ability
Find the nth number in the sequence 1, 5, 13, 25, 41
Read Solution (Total 2)
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- The series goes like this addition of 4
1, 1+4, 5+8, 12+13, 25+16..... =1,5,13,25,41
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- The nth sequence series goes like n^2 +(n+1)^2
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