SSC CGL 2015: REASONING QUIZ

Dear reader here we are providing some question on completion of series and number series which can helpful in upcoming SSC exam:

Direction :(1-5): Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

1.    ac – cab – baca – aba – acac
(a)  aacb                            
(b) acbc
(c)  babb                            
(d) bcbb

2.    w_xw_x_ax_a_wa_
(a) axwxax                      
(b) aaawxa
(c) aawwxx                       
(d) axawax

3.    a _ba_bb_ab_a
(a) aaba                             
(b) baab
(c) baaa                             
(d) abab

4.    r_sr_tsrrt_rr_sr
(a) ttss                               
(b) tsts
(c) trst                                
(d) sstt

5.    __ stt __  tt __ tts__
(a) tsst                               
(b) sstt
(cttst                                
(d) tsts
Directions (6-10): A series is given, with one terms missing. Choose the correct alternative from the given ones that will complete the series.
6.    9, 27, 31, 155, 161, 1127,?
(a) 316                              
(b) 1135          
(c) 1288                             
(d) 2254
7.    2, 3, 3, 5, 10, 13, ?, 43, 172, 177
(a) 23                                 
(b) 38              
(c) 39                                 
(d) 40
     
8.    4, 18, 48, 100, 180, 294,?
(a) 416                               
(b) 448
(c) 512                               
(d) 384
                 
9.    505, 528, 574, 643, 735, (?)
(a) 850                               
(b) 888            
(c) 812                               
(d) 618
10.  33, 28, 24, ?, 19,18
(a)  21                                
(b) 22
(c)  20                                
(d) 23

Answers with solution:



1.    (a): Pattern of series: acac/abab/acac/abab/acac.


2.    (c): Pattern of series: Wax/Wax/Wax/Wax/Wax.


3.    (b): Pattern of series: abba/abba/abba.


4.    (c): Pattern of series: rtsr/rtsr/rtsr/rtsr.


5.    (a): Pattern of series: tst/tst/tst/tst


6.    (b): The pattern is x3, + 4, x5, +6, x 7 … So, missing term = 1127 + 8 = 1135.


7.    (c): The pattern is +1, x1, +2, x2, +3, x3, +4, x4, +5. So, missing term = 13 x 3 = 39.


8.    (b):4=2*2, 18=3*6 , 48=4*12, 100=5*20, 180=6*30, 294=7*42
Similarly: 448=8*56


9.    (a): Pattern of series
   505,        528,     574,     643,     735,        (850)
             +23         +46          +69      +92       +115
10.   (a): Pattern of series:

33-5 =28, 28-4 = 24, 24-3 = 21, 21-2 = 19, 19-1 = 18,




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14 Comments

  1. Bro it is practice base question first we saw how many number of digit in series just example 16 desit series then we divide it four four terms or three three then we solve the question but bro these question purely dependent on your practice and speed

  2. Mam can you just help me to solve this question?

    Eight
    people – Ashu, Ansh, Aashi, Arshu, Alsham, Arush, Anshul and Ashan –
    are standing in a queue outside PVR Juhu for movie tickets. Ansh is
    standing ahead of Arush and Aashi. Ashu is ahead of Arush, who in turn
    is ahead of Ashan. Aashi is ahead of Alsham and there is only one person
    between them. Anshul, Ashu and Aashi are at odd numbered positions in
    the queue. Aashi and Arshu are neither in the first two positions nor in
    the last four positions.

    How many people are standing between Ansh and Arush?

    OPTIONS

    1) 3
    2) 4
    3) 5
    4) None of these

    Thanks in advance

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