LOGICAL AND CRITICAL REASONING PROBLEMS:Number Series

Part 1
1. Look at this series: 2, 4, 6, 8, 10, . . . What number
should come next?
a. 11
b. 12
c. 13
d. 14
2. Look at this series: 58, 52, 46, 40, 34, . . . What
number should come next?
a. 26
b. 28
c. 30
d. 32
3. Look at this series: 40, 40, 47, 47, 54, . . . What
number should come next?
a. 40
b. 44
c. 54
d. 61
4. Look at this series: 544, 509, 474, 439, . . . What
number should come next?
a. 404
b. 414
c. 420
d. 445
5. Look at this series: 201, 202, 204, 207, . . . What
number should come next?
a. 205
b. 208
c. 210
d. 211
Answers:

1. b. This is a simple addition series. Each number
increases by 2.
2. b. This is a simple subtraction series. Each
number is 6 less than the previous number.
3. c. This is an alternation with repetition series
in which each number repeats itself and
then increases by 7.
4. a. This is a simple subtraction series. Each
number is 35 less than the previous number.
5. d. In this addition series, 1 is added to the first
number; 2 is added to the second number; 3
is added to the third number; and so forth.
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