SSC Reasoning - Mixed Quiz

Number Series

1.       16, 33, 65, 131, 261, (....)
        A. 523        
        B. 521
        C. 613        
        D. 721

2.       10, 5, 13, 10, 16, 20, 19, (....)
        A. 22          
        B. 40
        C. 38          
        D. 23

3.       1, 4, 9, 16, 25, 36, 49, (....)
        A.    54        
        B.    56
        C.    64        
        D.    81

4.       2, 4, 12, 48, 240, (....)
        A.    960      
        B.    1440
        C.    1080    
        D.    1920

5.       8, 7, 11, 12, 14, 17, 17, 22, (....)
        A.    27        
        B.    20
        C.    22        
        D.    24

Direction (1-5):- Which word does NOT belong with the others?

6.
A. book
B. index
C. glossary
D. chapter

7.
A. unimportant
B. trivial
C. insignificant
D. familiar

8.
A. branch
B. dirt
C. leaf
D. root

9.
A. street
B. freeway
C. interstate
D. expressway

10.
A. heading
B. body
C. letter
D. closing


Answers with Explanation:-
1.       A
        Explanation:
        Each number is twice the preceding one with 1 added or subtracted alternatively.
        So, the next number is (2 x 261 + 1) = 523.
2.       B
        Explanation:
        There are two series (10, 13, 16, 19) and (5, 10, 20, 40), one increasing by 3 and the other multiplied by 2.
3.       C
        Explanation:
        Numbers are 1^2, 2^2, 3^2, 4^2, 5^2, 6^2, 7^2.
        So, the next number is 8^2 = 64.
4.       B
        Explanation:
        Go on multiplying the given numbers by 2, 3, 4, 5, 6.
        So, the correct next number is 1440.
5.       B
        Explanation:
        There are two series (8, 11, 14, 17, 20) and (7, 12, 17, 22) increasing by 3 and 5 respectively.

6.      A
7.      D
8.      B
9.      A
10.  C


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