Table of Content

Logical Reasoning : Add Subtract Series (Multiple Choice Questions)


Question 1
10, 20, 10, 20, 10, 20, ...
A
40
B
30
C
20
D
10
Question 1 Explanation: 
In this simple alternating addition and subtraction series; 10 is added, then 10 is subtracted, and so on.
Question 2
101, 10, 103, 10, 105, 10, ...
A
107
B
111
C
109
D
106
Question 2 Explanation: 
In this alternating repetition series, the random number 10 is interpolated every other number into an simple addition series that increases by 2, beginning with the number 101.
Question 3
91, 10, 81, 10, 71, 10, ...
A
61
B
10
C
81
D
71
Question 3 Explanation: 
In this alternating repetition series, the random number 10 is interpolated every other number into an simple subtraction series that decreases by 10, beginning with the number 91.
Question 4
119.45, 118.95, 118.45, 117.95, ...
A
116.45
B
116.95
C
117.95
D
117.45
Question 4 Explanation: 
This is simple subtraction series in which 0.50 is subtracted from the number and so on
Question 5
20, 41, 62, 83, ...
A
104
B
109
C
111
D
101
Question 5 Explanation: 
This is simple addition series in which 21 is added to the number and so on
There are 5 questions to complete.

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