Question 30

Select the number from among the given options that can replace the question mark (?) in the following series.

31, 41, 55, 73, 95, ?

Solution

In given series there is a difference of 4 digits for example

$$41-31=\ 10$$

$$55-41=\ 14$$

$$73-55=\ 18$$

$$95-73=\ 22$$

$$121-95=\ 26$$

So hence option A is the correct answer

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