Question 31

Find out the incorrect term in the series.
2, 5, 10, 3, 6, 18, 4, 7, 30

Solution

The given series is a combination three alternate series of

2, 3, 4

5, 6, 7

10, 18, 30

In the series 10, 18, 30

10 + 8 = 18

18 + 8 = 26

26 should be in the place of 30

$$\therefore\ $$30 is the wrong number in the given series.

Hence, the correct answer is Option C

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Find out the incorrect term in the series.2, 5, 10, 3, 6, 18, 4, 7, 30