Question : Directions: In the following question a series is given, with one/two terms missing. Choose the correct alternative from the given ones that will complete the series.
6, 6, 10, 11, 14, 16, 18, ?
Option 1: 23
Option 2: 19
Option 3: 21
Option 4: 20
Correct Answer: 21
Solution :
Given:
6, 6, 10, 11, 14, 16, 18, ?
Add 4 and 5 alternatively to the alternate terms to get the next term in the series.
6 + 4 = 10; 6 + 5 = 11; 10 + 4 = 14; 11 + 5 = 16; 14 + 4 = 18; 16 + 5 = 21
So, 21 is the missing term of the given series. Hence, the third option is correct.
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