Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
2, 6, 12, ?, 30
Option 1: 18
Option 2: 24
Option 3: 20
Option 4: 26
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Correct Answer: 20
Solution :
Given:
2, 6, 12, ?, 30
Here, add consecutive even numbers starting from 4 to the previous term to get the next term –
2 + 4 = 6; 6 + 6 = 12; 12 + 8 = 20; 20 + 10 = 30
So, 20 is the missing number of the series. Hence, the third option is correct.
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