Railway Exam 2021 – Reasoning (Letter Series) Questions Set-29:
Dear Readers, Here we have given from Reasoning Questions for Railway Exam 2021. Candidates those who are all preparing for these exams can use this material.
Directions(Q. No 1 – 2) In each of the following letter series, some of the letters are missing which are given in that order as one of the alternatives below it
1).a_bbc_aab_cca_bbcc
a) bacb
b) acba
c) abba
d) caba
2).ab_aa_bbb_aaa_bbba
a) abba
b) baab
c) aaab
d) abab
Directions(Q. No : 3 – 5) In each of the following questions, various term of a letter series are given with two term missing as shows by(?). Choose the missing term out of the given alternative.
3).Z, L, X, J, V, H, T, F, ?, ?
a) R, D
b) R, E
c) S, E
d) Q, D
4).Z, S, W, O, T, K, Q, G, ?, ?
a) N, C
b) N, D
c) O, C
d) O, D
5).W, V, T, S, Q, P, N, M, ?, ?
a) I, J
b) J, I
c) J, K
d) K, J
6).How many B’s are there in the following letter – series, which are followed by G but G is not be followed by S?
BGSQBRNOBGNSQLTBGQTDBGUWXBGF
a) 4
b) 3
c) 2
d) 5
Directions (Q. 7 – 8) : Which one of the alternatives will replace the question mark(?)
7).MR, PO, SL, VI, ?
a) YF
b) ZE
c) YD
d) ZF
8).LOT, NNR, QMO, ULK, ?
a) YKE
b) YJF
c) JKF
d) ZKF
9).In the following series which is the 8th letter to the right of 16thletter from your left ?
ABCDEFGHIJKLMNOPQRSTUVWXYZ
a) K
b) Y
c) X
d) W
10).If first half of the following series is written in the reverse order, which will be the 5th letter to the left of 13th letter from your right ?
ABCDEFGHIJKLMNOPQRSTUVWXYZ
a) S
b) E
c) F
d) D
Answers:
1).b ) 2). b) 3). a) 4). a) 5). d) 6). a) 7). a) 8). d) 9). c) 10). b)
Explanation:
1).aa b b cc / a abb c c / aa b b c c = acba
In the given series the pattern aabbcc is repeated
Answer: b)
2).The letters are repeated twice, than thrice, then four times and so on.
a bb / a aa b b b /a a a ab b b b / a = baab
Answer: b)
3).Z L X J V H T F ? ?
The given series consists of two series
Z → X → V → T → H
(-2) (-2) (-2) (-2)
Similarly, L → J → H → F → D
Answer: a)
4).Z S W OT K Q G ? ?
The given series is the combination of two series
Z → W → T → Q → N
(-3) (-3) (-3) (-3)
Similarly,
S → O → K → G → C
(-4) (-4) (-4) (-4)
Answer: a)
5).W → V → T → S → Q → P → N → M → K → J
(-1) (-2) (-1) (-2) (-1) (-2) (-1) (-2) (-1)
Answer: d)
6).There are four number series OBG, TBG, DBG, XBG
Answer: a)
7).M → P → S → V → Y
(+3) (+3) (+3) (+3)
R → O → L → I → F
(-3) (-3) (-3) (-3)
Answer: a)
8).L → N → Q → U → Z
(+2) (+3) (+4) (+5)
O → N → M → L → K
(-1) (-1) (-1) (-1)
T → R → O → K → F
(-2) (-3) (-4) (-5)
Answer: d)
9).ABCDEFGHIJKLMNOPQRSTUVWXYZ
16thletter from left is P and 8th letter to the right of P is X.
Answer: c)
10).MLKJIHGFEDCBANOPQRSTUVWXYZ
Thus, 13th letter from right is N and 5th letter to the left of N is E.
Answer: b)