Reasoning Quiz

Q1)-Look at this series: 21, 9, 21, 11, 21, 13, 21, ... What number should come next?

14

15

21

23

Ans.- B
In this alternating repetition series, the random number 21 is interpolated every other number into an otherwise simple addition series that increases by 2, beginning with the number 9.

Q2)-Look at series 32 31 32 29 32 27 32 .. what will come next ?

25 32

31 32

29 32

25 30

Ans.- A
This is an alternating repetition series. The number 32 alternates with a series in which each number decreases by 2.

Q3)-Look at series 17 32 19 29 21 26 23 ... What will come next ?

25 25

20 22

23 25

25 22

Ans.- C
Here, there are two alternating patterns. The first begins with 17 and adds 2; the second begins with 32 and subtracts 3.

Q4)-Look at the series 42 40 38 35 33 31 28 .... What will come next ?

25 22

26 24

25 23

26 23

Ans.- B
This is an alternating subtraction series in which 2 is subtracted twice, then 3 is subtracted once, then 2 is subtracted twice, and so on.

Q5)-Look at this series: 8, 22, 8, 28, 8, ... What number should come next?

9

29

32

34

Ans.- 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.

Q6)-Look at the series 44 41 38 35 32 29 26 ... What will come next ?

24 21

22 19

29 32

23 20

Ans.- D
This is a simple subtraction series, in which 3 is subtracted from each number to arrive at the next.

Q7)-Look at this series: 31, 29, 24, 22, 17, ... What number should come next?

15

14

13

12

Ans.- A
This is a simple alternating subtraction series, which subtracts 2, then 5.

Q8)-Look at the series 6 10 14 18 22 26 30 .. What number will come next ?

36 40

34 38

34 36

33 37

Ans.- B

Q9)-Look at the series 2 44 4 41 6 38 8 ... What will come next ?

10 12

35 32

35 10

10 52

Ans.- C
Here, there are two alternating patterns, one addition and one subtraction. The first starts with 2 and increases by 2; the second starts with 44 and decreases by 3.

Q10)-Look at this series: 1.5, 2.3, 3.1, 3.9, ... What number should come next?

4.2

4.4

4.7

5.1

Ans.- C
In this simple addition series, each number increases by 0.8.