Logical Reasoning - Number Series

Exercise : Number Series - Type 3
Directions to Solve
Look carefully for the pattern, and then choose which pair of numbers comes next.

16.
2 44 4 41 6 38 8
10 12
35 32
34 9
35 10
10 52
Answer: Option
Explanation:
Here, there are two alternating patterns, one addition and one subtraction. The first starts with 2 and increases by 2; the second starts with 44 and decreases by 3.

17.
17 32 19 29 21 26 23
25 25
20 22
23 25
25 22
27 32
Answer: Option
Explanation:
Here, there are two alternating patterns. The first begins with 17 and adds 2; the second begins with 32 and subtracts 3.

18.
17 14 14 11 11 8 8
8 5
5 2
8 2
5 5
5 8
Answer: Option
Explanation:
In this simple subtraction with repetition series, each number is repeated, then 3 is subtracted to give the next number, which is then repeated, and so on.

19.
10 34 12 31 14 28 16
25 18
30 13
19 26
18 20
25 22
Answer: Option
Explanation:
Two patterns alternate here. The first pattern begins with 10 and adds 2 to each number to arrive at the next; the alternating pattern begins with 34 and subtracts 3 each time.

20.
11 14 14 17 17 20 20
23 23
23 26
21 24
24 24
24 27
Answer: Option
Explanation:
This is a simple addition series with repetition. It adds 3 to each number to arrive at the next, which is repeated before 3 is added again.