Question 20
Which number will replace the question mark (?) in the following series?
2, 5, 10, 17, 26, 37, ?, 65, 82, 101
Solution
Add (2n+1) where, $$n=1,2,3,4........$$ to number next to each other.
So, 7th term of the series will be, $$37+\ \left(2\times\ 6+1\right)=50.$$
So,option C is correct.
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