- Home
- Logical Reasoning
- Number Series
- Section 2
Directions :
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.
16.
6 20 8 14 10 8 12
- A.14 10
- C.4 12
- E.14 14
- B.2 18
- D.2 14
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
This is an alternating addition and subtraction series. In the first pattern, 2 is added to each number to arrive at the next; in the alternate pattern, 6 is subtracted from each number to arrive at the next. |
17.
9 12 11 14 13 16 15
- A.14 13
- C.14 17
- E.18 17
- B.18 21
- D.12 13
- Answer & Explanation
- Report
Answer : [E]
Explanation :
Explanation :
This is a simple alternating addition and subtraction series. First, 3 is added, then 1 is subtracted, then 3 is added, 1 subtracted, and so on. |
18.
75 65 85 55 45 85 35
- A.25 15
- C.35 25
- E.25 75
- B.25 85
- D.85 35
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
This is a simple subtraction series in which a random number, 85, is interpolated as every third number. In the subtraction series, 10 is subtracted from each number to arrive at the next. |
19.
8 11 21 15 18 21 22
- A.25 18
- C.25 29
- E.22 26
- B.25 21
- D.24 21
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
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. |
20.
2 3 4 5 6 4 8
- A.9 10
- C.8 9
- B.4 8
- D.9 4
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
This is an alternating addition series with a random number, 4, interpolated as every third number. In the main series, 1 is added, then 2 is added, then 1, then 2, and so on. |