Direction In each series, look for the degree and direction of change between the numbers. In other words, do the numbers increase or decrease, and by how much-
46.

13 29 15 26 17 23 19
A. 21 23
 B. 20 21
C. 20 17
 D. 25 27
Answer and Explanation
Answer: B

Explanation: Here, there are two alternating patterns, with every other number following a different pattern. The first pattern begins with 13 and adds 2 to each number to arrive at the next; the alternating pattern begins with 29 and subtracts 3 each time.




47.

14 14 26 26 38 38 50
A. 60 72
 B. 50 62
C. 50 72
 D. 62 62
Answer and Explanation
Answer: B

Explanation: In this simple addition with repetition series, each number in the series repeats itself, and then increases by 12 to arrive at the next number.




48.

44 41 38 35 32 29 26
A. 24 21
 B. 22 19
C. 23 19
 D. 29 32
Answer and Explanation
Answer: E

Explanation: This is a simple subtraction series, in which 3 is subtracted from each number to arrive at the next.




49.

34 30 26 22 18 14 10
A. 8 6
 B. 6 4
C. 14 18
 D. 6 2
Answer and Explanation
Answer: D

Explanation: This is a simple subtraction series, in which 4 is subtracted from each number to arrive at the next.




50.

32 31 32 29 32 27 32
A. 25 32
 B. 31 32
C. 29 32
 D. 25 30
Answer and Explanation
Answer: A

Explanation: This is an alternating repetition series. The number 32 alternates with a series in which each number decreases by 2.