Question

If 7 16 x 90 171 292 Then, 2x²+ 1 + x = ?

In each of the following questions a number series is given. One term of the series is denoted by
x. You have to calculate the value of x and by using the value of x, you have to replace the question mark (?) in the following questions :
A 3380
B 3750
C 3563
D 3404
E None of these
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