IBPS PO / Clerk : Reasoning series-3

Welcome to Coaching Genie's series-3 of Reasoning. The Best free IBPS PO Clerk coaching.

21.Look at this series 32 35 35 38 38 41 41 _ _ .what numbers next?
a)51 51
b)45 45
c)48 48
d)44 44
e)42 42

Ans. (d)44 44

This is a simple addition series with repetition. It adds 3 to each number to arrive at the next, which is repeated before 3 is added again.  

  

22.Look at this series: 3000, 600, 120, __ What number should come next?
a)12
b)5
c)8
d)24
e)52

Ans. (d)24

This is a simple division series. Each number is divided by 5.

 

23.Look at the series 13 54 15 51 17 48 19 45 21 _ _ .what numbers next?
a)63 32
b)54 25
c)45 21
d)18 43
e)14 46

Ans. (c)45 21

Two patterns alternate here. The first pattern begins with 13 and adds 2 to each number to arrive at the next; the alternating pattern begins with 54 and subtracts 3 each time.

 

24.Look at this series: 7.2, 6.8, 6.4, 6, __ What number should come next?
a)5
b)5.6
c)4.8
d)4.6
e)5.8

Ans. (b)5.6

In this simple subtraction series, each number decreases by 0.4.

 

25.Look at this series: 4, 12, 36, 108,__ What number should come next?
a)130
b)238
c)324
d)364
e)254

Ans. (c)324

This is a simple multiplication series. Each number is 3 times more than the previous number.

 

26.Look at the series 6 24 11 20 16 16 21 12 _ _ .What numbers come next?
a)26 8
b)31 13
c)23 11
d)21 6
e)28 5

Ans. (a)26 8

Here, there are two alternating patterns. The first begins with 6 and adds 5; the second begins with 24 and subtracts 4.

 

27.Look at this series: 758, 723, 688, 653, ___ What number should come next?
a)596
b)632
c)589
d)618
e)626

Ans. (d)618

This is a simple subtraction series. Each number is 35 less than the previous number.

 

28.Look at the series 35 27 31 31 27 34 23 _ _ .what numbers next?
a)23 34
b)27 35
c)37 19
d)34 27
e)21 21

Ans. (c)37 19

Here, there are two alternating patterns, one addition and one subtraction. The first starts with 35 and decreases by 4; the second starts with 27 and increases by 4.

 

29.Look at this series: 403, 404, 406, 409,__ What number should come next?
a)410
b)413
c)411
d)421
e)423

Ans. (b)413

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; 4 is added to the fourth number; and go on.

 

30.Look at the series 24 34 36 44 54 48 64 _ _.What numbers next?
a)56 68
b)64 72
c)52 66
d)74 60
e)62 76

Ans. (d)74 60

Here, every third number follows a different pattern from the main series. In the main series, beginning with 24, 10 is added to each number to arrive at the next. In the alternating series, beginning with 36, 12 is added to each number to arrive at the next.