Classical

Number Series - Number series MCQ

1:  

4, 6, 9, 13,

A.

15

B.

12

C.

18

D.

17

 
 

Option: C

Explanation :

The difference between two consecutive numbers is increasing in the order of 2,3, 4, 5, etc.


2:  

 8, 20, 36, 56,

A.

80

B.

100

C.

64

D.

84

 
 

Option: A

Explanation :

Every member of the series is,divisible by 4 and quotient is in the order of 2, 5, 9, 14, 20, i.e., it has an increasing trend with the difference of 3, 4, 5 and 6


3:  

11, 33, 55, 77

A.

99

B.

88

C.

121

D.

101

 
 

Option: A

Explanation :

Every member of the series is divisible by 11 and every next member is 22 greater than the preceding one.


4:  

1, 8, 4, 27, 9,  ?

A.

8

B.

9

C.

64

D.

16

 
 

Option: C

Explanation :

There are two series, 13, 23, 33, 43, and 22, 32, 42


5:  

3,6,8,16,18,

A.

28

B.

36

C.

54

D.

34

 
 

Option: B

Explanation :

IInd number is twice of the first and fourth is twice of the third one. So 18 x 2 = 36




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