Question 25

In the following question, select the missing number from the given series.
11, 16, 21, 13, 19, 25, 15, 22, 29, ?, 25

Solution

The given series is a combination of three alternate series which are shown below

11, 13, 15, ?

16, 19, 22, 25

21, 25, 29

From the first series,

11 + 2 = 13

13 + 2 = 15

Similarly, the next number = 15 + 2 = 17

$$\therefore\ $$The missing number of the given series is 17.

Hence, the correct answer is Option B

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In the following question, select the missing number from the given series.11, 16, 21, 13, 19, 25, 15, 22, 29, ?, 25