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- Number Series
- Section 3
Directions :
Number series questions measure your ability to reason without
words. To answer these questions, you must determine
the pattern of the numbers in each series before you will
be able to choose which number comes next. 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?
1.
13 29 15 26 17 23 19
- A.21 23
- C.20 17
- E.22 20
- B.20 21
- D.25 27
- Answer & Explanation
- Report
Answer : [B]
Explanation :
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. |
2.
11 14 14 17 17 20 20
- A.23 23
- C.21 24
- E.24 27
- B.23 26
- D.24 24
- Answer & Explanation
- Report
Answer : [A]
Explanation :
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. |
3.
16 26 56 36 46 68 56
- A.80 66
- C.66 80
- E.66 82
- B.64 82
- D.78 68
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| Here, every third number follows a different pattern from the main series. In the main series, beginning with 16, 10 is added to each number to arrive at the next. In the alternating series, beginning with 56, 12 is added to each number to arrive at the next. |
4.
8 12 9 13 10 14 11
- A.14 11
- C.8 15
- E.8 5
- B.15 12
- D.15 19
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
| This is an alternating addition and subtraction series, in which the addition of 4 is alternated with the subtraction of 3. |
5.
6 10 14 18 22 26 30
- A.36 40
- C.38 42
- E.34 38
- B.33 37
- D.34 36
- Answer & Explanation
- Report
Answer : [E]
Explanation :
Explanation :
| This simple addition series adds 4 to each number to arrive at the next. |
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