Direction: Look carefully for the pattern, and then choose which pair of numbers comes next. Note also that you will be choosing from five options instead of four.
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8 , 11 , 21 , 15 , 18 , 21 , 22
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- 25 , 18
- 25 , 21
- 25 , 29
- 24 , 21
- 22 , 26
Correct Option: B
This is an alternating addition series, with a random number, 21, interpolated as every third number. The addition series alternates between adding 3 and adding 4. The number 21 appears after each number arrived at by adding 3.
