Question

If  2,   7,  20,   x ,   110,    235, Then,  7 x + 7√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 921
B 675
C 563
D 392
E None of these
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