Q49
8, 11, 21, 15, 18, 21, 22, ... choose which pair of numbers comes next?
A.
25, 18
B.
25, 21
AnswerC.
25, 29
D.
24, 21
E.
22, 26
Answer: Option B
Solution
Answer: Option B
Solution:
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.