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- Logical Reasoning
- Number Series
- Section 1
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?
16.
Look at this series: 1.5, 2.3, 3.1, 3.9, . . . What number should come next?
- A.4.2
- C.4.7
- B.4.4
- D.5.1
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
In this simple addition series, each number increases by 0.8. |
17.
Look at this series: 36, 34, 30, 28, 24, . . . What number should come next?
- A.20
- C.23
- B.22
- D.26
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
This is an alternating number subtraction series: First, 2 is subtracted, then 4, then 2, and so on. |
18.
Look at this series: 22, 21, 23, 22, 24, 23, . . . What number should come next?
- A.22
- C.25
- B.24
- D.26
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
In this simple alternating subtraction and addition series; 1 is subtracted, then 2 is added, and so on. |
19.
Look at this series: 2, 1, |
|
, |
|
, ......What number should come next? |
-
[A] 1 3 -
[C] 2 8
-
[B] 1 8 -
[D] 1 16
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
This is a simple division series; each number is one-half of the previous number. |
20.
Look at this series: 2, 6, 18, 54, . . . What number should come next?
- A.108
- C.162
- B.148
- D.216
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
This is a simple multiplication series. Each number is 3 times more than the previous number. |