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Logical Reasoning Series Questions
Question Posted on 25 Sep 2011

Home >> Test and Papers >> Logical Reasoning >> Logical Reasoning Series Questions




Below are the some good Logical Reasoning (Number Series) and answer are also given Below of the questions:-
(1) 2, 1, (1/2), (1/4), ... What number should come next
(A) (1/3)
(B) (1/8)
(C) (2/8)
(D) (1/16)
Answer:-B
Below is help
4/2 = 2
2/2 = 1
1/2 = 1/2
(1/2)/2 = 1/4
(1/4)/2 = 1/8 and so on.

(2) 7, 10, 8, 11, 9, 12, ... What number should come next
(A) 7
(B) 10
(C) 12
(D) 13
Answer:-B
alternating addition and subtraction series 7,8,9,10 and 10,11,12

(3) 36, 34, 30, 28, 24, ... What number should come next
(A) 20
(B) 22
(C) 23
(D) 26
Answer:-B
alternating number subtraction series. First, 2 is subtracted, then 4, then 2, and so on.

(4)22, 21, 23, 22, 24, 23, ... What number should come next
(A) 20
(B) 24
(C) 25
(D) 26
Answer:-c
alternating subtraction and addition series; 1 is subtracted, then 2 is added, and so on.

(5)53, 53, 40, 40, 27, 27, ... What number should come next
(A) 12
(B) 14
(C) 27
(D) 53
Answer:-B
13 is subtracted to arrive at the next number.

(6)21, 9, 21, 11, 21, 13, 21, ... What number should come next
(A) 14
(B) 15
(C) 21
(D) 23
Answer:-B
The random number 21 is interpolated every other number into an otherwise simple addition series that increases by 2, beginning with the number 9.

(7)58, 52, 46, 40, 34, ... What number should come next
(A) 26
(B) 28
(C) 30
(D) 32
Answer:-B
This is a simple subtraction series. Each number is 6 less than the previous number.

(8)3, 4, 7, 8, 11, 12, ... What number should come next
(A) 7
(B) 10
(C) 14
(D) 15
Answer:-D
This alternating addition series begins with 3; then 1 is added to give 4; then 3 is added to give 7; then 1 is added, and so on.

(9)8, 22, 8, 28, 8, ... What number should come next
(A) 9
(B) 29
(C) 32
(D) 34
Answer:-D
This is a simple addition series with a random number, 8, interpolated as every other number. In the series, 6 is added to each number except 8, to arrive at the next number.

(10)31, 29, 24, 22, 17, ... What number should come next
(A) 15
(B) 14
(C) 13
(D) 12
Answer:-A
This is a simple alternating subtraction series, which subtracts 2, then 5.
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