The Logic and Reasoning questions with answers section is critical for excelling in competitive exams and campus placements. It measures your ability to analyze situations, recognize patterns, and solve problems logically. Practicing reasoning questions and answers from this topic improves analytical thinking and decision-making skills. You’ll find a wide variety of logical and verbal reasoning problems covering topics like syllogisms, series, coding-decoding, and puzzles. With detailed solutions and reasoning-based explanations, this collection helps you prepare effectively for SSC, IBPS, TCS, and Wipro exams. Strengthen your mental aptitude and boost your performance through consistent practice.
Logic and Reasoning
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334 questions
21. which pair of numbers comes next.
84 78 72 66 60 54 48
44 34
42 36
42 32
40 34
Answer: Option B
Hints: In this simple subtraction series, each number
is 6 less than the previous number.
23. which pair of numbers comes next.
20 20 17 17 14 14 11
8 8
11 11
11 14
8 9
Answer: Option
Hints: This is a simple subtraction with repetition
series. It begins with 20, which is repeated,
then 3 is subtracted, resulting in 17, which
is repeated, and so on.
Answer: Option D
Hints: This is a simple addition series with a random number, 18, interpolated as every third number. In the series, 4 is added to each number except 18, to arrive at the next number.
Answer: Option A
Hints: In this alternating repetition series, a random
number, 33, is interpolated every third
number into a simple addition series, in
which each number increases by 2.
27. which pair of numbers comes next.
28 25 5 21 18 5 14
11 5
10 7
11 8
5 10
Answer: Option A
Hints: This is an alternating subtraction series with
the interpolation of a random number, 5, as
every third number. In the subtraction series,
3 is subtracted, then 4, then 3, and so on.
28. which pair of numbers comes next.
9 12 11 14 13 16 15
14 13
18 21
14 17
12 13
Answer: Option
Hints: This is a simple alternating addition and
subtraction series. First, 3 is added, then 1 is
subtracted, then 3 is added, 1 subtracted,
and so on.
29. which pair of numbers comes next.
75 65 85 55 45 85 35
25 15
25 85
35 25
85 35
Answer: Option B
Hints: This is a simple subtraction series in which a
random number, 85, is interpolated as every
third number. In the subtraction series, 10 is
subtracted from each number to arrive at the
next.
30. which pair of numbers comes next.
1 10 7 20 13 30 19
26 40
29 36
40 25
25 31
Answer: Option C
Hints: Here, every other number follows a different
pattern. In the first series, 6 is added to each
number to arrive at the next. In the second
series, 10 is added to each number to arrive at
the next