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OTI365 - NTSE - X Standard
NTSE Mental Ability Test - Letter Series Sample Questions

NTSE Mental Ability Test - Letter Series

Exam Duration: 45 Mins Total Questions : 30

1 )

Find the missing letter Y,W, U, S, Q, ?, ?

(a)
N,J
(b)
M,L
(c)
J, R
(d)
O,M

2 )

Find the missing letter CE, Gl, KM, OQ, ?

(a)
TW
(b)
TV
(c)
SU
(d)
RT

3 )

Find the missing letter BD, GI, LN, QS, ?

(a)
TV
(b)
UW
(c)
WX
(d)
VX

4 )

Find the missing letter OTE, PUF, QVG, RWH, ?

(a)
SYJ
(b)
TXl
(c)
SXJ
(d)
SXl

5 )

Find the missing letter U,O,I,?,A

(a)
E
(b)
C
(c)
S
(d)
G

6 )

Find the missing letter b e d f ? h j ? l

(a)
im
(b)
mi
(c)
i n
(d)
j m

7 )

Find the missing letter AZ,BY,CX, ?

(a)
EF
(b)
GH
(c)
U
(d)
DW

8 )

Find the missing letter AZ,CX,FU, ?

(a)
IR
(b)
IV
(c)
JQ
(d)
KP

9 )

AZ, GT, MN, ?, YB

(a)
KF
(b)
RX
(c)
SH
(d)
TS

10 )

Find the missing letter Find the missing letter ex fu ir ? ol ri

(a)
Io
(b)
mn
(c)
no
(d)
op

11 )

Find the missing letter BEH, KNQ, TWZ, ?

(a)
IJL
(b)
CFI
(c)
BDF
(d)
ADG

12 )

Find the missing letter QPO, SRQ, UTS, WVU, ?

(a)
XVZ
(b)
ZYA
(c)
YXW
(d)
VWX

13 )

In each of the following letter series, some of the letters are missing which are given in that order as one of the alternatives belows it. Choose the correct alternative.
ab _ _ _ b _ bbaa _

(a)
abaab
(b)
abbab
(c)
baaab
(d)
babba

14 )

In each of the following letter series, some of the letters are missing which are given in that order as one of the alternatives belows it. Choose the correct alternative.
bc _ b _ c _ b _ ccb

(a)
cbcb
(b)
bbcb
(c)
cbbc
(d)
bcbc

15 )

abd _ ac _ da _ cddcb _ dbc _ cbda

(a)
bccba
(b)
cbbaa
(c)
ccbbaa
(d)
bbcab

16 )

b _ abbc _ bbca _ bcabb _ ab

(a)
acaa
(b)
acba
(c)
cabc
(d)
cace

17 )

_ baa _ aab _ a _ a

(a)
aabb
(b)
aaba
(c)
abab
(d)
baab

18 )

aa _ ab _ _ aaa _ a

(a)
aaab
(b)
aabb
(c)
abab
(d)
baaa

19 )

a _ bbc _ aab _ cca _ bbcc

(a)
bacb
(b)
acba
(c)
abba
(d)
caba

20 )

ab _ aa _ bbb _ aaa _ bbba

(a)
abba
(b)
baab
(c)
aaab
(d)
abab

21 )

c _ baa _ aca _ cacab _ acac _ bca

(a)
acbaa
(b)
bbcaa
(c)
bccab
(d)
cbaac

22 )

ab _ bc _ c _ ba _ c

(a)
baac
(b)
aabb
(c)
caab
(d)
aaab

23 )

a _ ca _ bc _ bcc _ bca

(a)
bbaa
(b)
bbab
(c)
aabb
(d)
baba

24 )

_ aaba _ bba _ bba _ abaa _ b

(a)
aabab
(b)
ababa
(c)
baaba
(d)
bbaba

25 )

_ _ babbba _ a _ _

(a)
ababb
(b)
baaab
(c)
bbaba
(d)
babbb

26 )

abca _ bcaab _ ca _ bbc _ a

(a)
ccaa
(b)
bbaa
(c)
abac
(d)
abba

27 )

b _ b _ bb _ _ bbb _ bb _ b

(a)
bbbbba
(b)
bbaaab
(c)
ababab
(d)
aabaab

28 )

In the following series, choose the alternative which contains the numerals to be filled in the marked spaces, in the correct order.
B _ _ D _ _ C A B D A C B
_ _ 4 1 3 2 _ _ _ ? ? ? ?
d _ a _ b c _ c _ _ _ _ _