Reasoning

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1.Look at this series: 2, 1, (1/2), (1/4), … What number should come next?
A.(1/3)
B.(1/8)
C.(2/8)
D.(1/16)
Ans: Option B

Explanation:

This is a simple division series; each number is one-half of the previous number.In other terms to say, the number is divided by 2 successively to get the next result.

4/2 = 2
2/2 = 1
1/2 = 1/2
(1/2)/2 = 1/4
(1/4)/2 = 1/8 and so on.


2. Look at this series: 7, 10, 8, 11, 9, 12, … What number should come next?
A.7
B.10
C.12
D.13
Ans: Option B

Explanation:

This is a simple alternating addition and subtraction series. In the first pattern, 3 is added; in the second, 2 is subtracted.
3. Look at this series: 36, 34, 30, 28, 24, … What number should come next?
A.20
B.22
C.23
D.26
Ans: Option B

Explanation:

This is an alternating number subtraction series. First, 2 is subtracted, then 4, then 2, and so on.
4. Look at this series: 22, 21, 23, 22, 24, 23, … What number should come next?
A.22
B.24
C.25
D.26
Ans: Option C

Explanation:

In this simple alternating subtraction and addition series; 1 is subtracted, then 2 is added, and so on.
5. Look at this series: 53, 53, 40, 40, 27, 27, … What number should come next?
A.12
B.14
C.27
D.53
Ans: Option B

Explanation:

In this series, each number is repeated, then 13 is subtracted to arrive at the next number.

 

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