Series Reasoning Quiz for SSC CGL Exam 2020: 6th February 2020

Table of Contents

Directions (1-4): In the following questions, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

Q1.
(a) elfgi
(b) figie
(c) ifgie
(d) ifige

Q2.
(a) abab
(b) baab
(c) baba
(d) abba

Q3.
(a) efhegf
(b) ehfegh
(c) efgehf
(d) efhgef

Q4.
(a) vuuv
(b) uvvu
(c) vvuu
(d) vuvu

SSC CGL 2019-20 | SSC CGL Reasoning | Number Analogy Reasoning Tricks (Part -1)

Directions (5-8): A series is given with one/two term missing. Choose the correct alternative from the given ones that will complete the series.

Q5. 11, 10, ? , 100, 1001, 1000, 10001
(a) 101
(b) 110
(c) 111
(d) None of these

Q6. 13, 32, 24, 43, 35, ? , 46, 65, 57, 76
(a) 45
(b) 52
(c) 54
(d) 55

Q7. BG, GC, HN, NI, ? P, PM
(a) R
(b) Q
(c) L
(d) M

Q8. A, I, P, V, A, E, ?
(a) E
(b) F
(c) G
(d) H

Directions (9-10): Find the wrong number.

Q9. 11, 5, 20, 12, 40, 26, 74, 54
(a) 5
(b) 20
(c) 40
(d) 26

Q10. 1, 5, 9, 15, 25, 37, 49
(a) 9
(b) 15
(c) 25
(d) 37

Solutions:

S1. Ans. (c)
Sol.

S2. Ans. (b)
Sol.

S3. Ans. (a):
Sol. egh/fegh/fegh/fegh

S4. Ans. (c)

S5. Ans. (a)
SOL.

S6. Ans. (c)
Sol. The given sequence is a combination of two series
I. 13, 24, 35, 46 , 57 and II. 32. 43, ? , 65 , 76
The pattern in both I and II is + 11.
So, missing term = 43 + 11 = 54

S7. Ans. (c) :
Sol. First letter of the first term and second letter of the second term are in alphabetical order. Similarly, first letter of the fifth term and second letter of the sixth term are in order.

S8. Ans. (d)
Sol. The given sequence is +8 , +7, +6 , +5, +4 , +3

S9. Ans. (c) :
Sol. The given sequence is a combination of two series
I. 11, 20 , 40 ,74 and II. 5 , 12 , 26 , 54
The correct pattern in I is + 9 , +18, + 36, ….
So, 40 is wrong and must be replaced by ( 20 + 18) i.e., 38.

S10. Ans. (b)
Sol.