Logical Sequence - Introduction and Examples (with Solutions), Logical Reasoning LR Notes | EduRev
Quantitative Aptitude for SSC CGL
Created by: Bakliwal InstituteBanking Exams : Logical Sequence - Introduction and Examples (with Solutions), Logical Reasoning LR Notes | EduRev
Q 1) E_G_EFF_E_FG_FG_EF
A) GFGEEE
B) FGGGEF
C) FGGEEG
D) EGFEFG
Answer: c
Explanation:
The series follows, +1,+1,+0 addition pattern.
So going by options, we get Option C to be correct.
Q 2) QQQ_TT__Q_T_Q_Q
A) TTQQTT
B) QQTQTT
C) TQQTTQ
D) QTQTTQ
Answer: c
Explanation:
This is a series with alternating 3 Q and 3 T.
So the sequence will be
QQQ TTT QQQ TTT QQQ TTT
So, option C is correct.
Q 3) _CAM_AMC_M_A_CAM
A) CMAMC
B) MACAM
C) MCAMC
D) MCACM
Answer: d
Explanation:
This is a Series with MCA blocks repreated.
So, Our series must be
MCA MCA MCA MCA MCA M
Going by Options, We see Option D is correct
Q 4) Find the wrong number in the following series
6,15,30,75,151,375,750
A) 151
B) 75
C) 375
D) 750
Answer: a
Explanation:
This series follows the rule of *2 and *2+ last term.
15*2 =30
30*2 +15= 75
75*2 = 150.
Thus, 150 is the wrong term.
Q 5) What will be the next term in?
ZAM, YBL, ----, WDJ, VEI
A) XCK
B) UFH
C) ZAC
D) PFD
Answer: a
Explanation:
Look at the middle term.
We see the following Series.
A B C D E
Thus C is missing.
Going by options, We get A to be correct.
Q 6) What will be the next term in?
G, T, I, R, K, P, ___,___
A) M,N
B) O,P
C) Q,R
D) S,T
Answer: a
Explanation:
In the number System of the digits, we see the series relates to an alternating +2,-2 series.
Number the letters, we get the following : 7,20,9,18,11,16. So the next two terms will be 13th and 14th term. Which are : M and N
Thus, Option A.
Q 7) What will be the next term in?
GHB, KLF, ___, ___, WXN
A) ACD,FGD
B) DES,FED
C) OPH,STK
D) None of these
Answer: c
Explanation:
Look at the Middle terms,
They follow a +4 pattern
Thus next middle terms will be
L+4 = 16th term = P
P+4 = 20th term = T
Going by options, we get C to be correct.
Q 8) Find the wrong number in the given series?
3 6 11 18 29 38 51 66
A) 18
B) 29
C) 38
D) 51
Answer: b
Explanation:
The next term of the series is denoted by adding consecutive odd terms starting from 3
3+3=6
6+5 =11
11+7=18
18+9=27
27+11 =38
Since we have 29 in place of 27. It is the wrong term
Q 9) Find the wrong number in the given series?
9 28 65 126 217 344 213
A) 65
B) 126
C) 217
D) 213
Answer: d
Explanation:
The series is an increasing series.
213 the last term is a smaller term that the previous one.
Thus it is Wrong.
Q 10) Find the wrong number in the given series?
4 10 18 29 40 54 70
A) 29
B) 40
C) 54
D) 70
Answer: a
Explanation:
All other terms other than 29 is a multiple of 2. Thus, 29 is a wrong one in the series.
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