Classical

Number Series - Number series MCQ

6:  

17,13,11,7,5,?

A.

-1

B.

1

C.

0

D.

2

 
 

Option: B

Explanation :

There are three groups 17 ---13, 11--- 7, and 5----1. Besides every next group start by 2 less than its previous one


7:  

9, .....18, 28, 27,21,36,14

A.

30

B.

35

C.

23

D.

40

 
 

Option: B

Explanation :

There are two series, 9,18,27,36 and 35,28,21,14


8:  

4,9,19,39...

A.

49

B.

79

C.

89

D.

59

 
 

Option: B

Explanation :

The difference is being doubled at every number in every pair


9:  

0,7,26,63

A.

124

B.

125

C.

93

D.

103

 
 

Option: A

Explanation :

The rule is (13 - 1), (23 - 1), (33 - 1), (43 - 1) and (53 - 1).


10:  

3,2,7,6,11

A.

13

B.

8

C.

4

D.

10

 
 

Option: D

Explanation :

There are two series 3, 7, 11 and 2, 6, 10 with equal difference of 4 everywhere.




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