Find the 8th term in series?2, 2, 12, 12, 30, 30, - - - - -
36
46
66
56
Explanation:
$1^{2}+1$=2
$2^{2}-2$=2
$3^{2}+3$=12
$4^{2}-4$=12
$5^{2}+5$=30
$6^{2}-6$=30
So, 7th term is $7^{2}+7$=56
and the 8th term is=$8^{2}-8$=56
So, the answer is 56.