CAT LR Preparation 2025: Practice Series Questions & Solutions

1. One term missing is missing in the given series. Choose the correct option to complete the series: 1, 6,15, 25, 45, 66, 91

25
26
27
28

2.A number series is given with one term missing. Choose the correct option to complete the series.: 1, 2, 3, 5, 8,

9
11
13
15

3.In following question, one term missing. Choose the correct option: 3, 6, 5, 20, 7, 42, 9,

54
60
66
72

4. In the given question,one term is missing choose the most suitable option: 1, 3, 4, 8, 15, 27,

37
44
50
55

5.In the given question,choose the correct option to fill in the blank spaces.: 165, 195, 255, 285, 345,

375
420
435
390

6.In the given question, number series is given, choose the correct option to fill in the blank spaces.: 0.5, 0.55, 0.65, 0.8,

0.9
0.82
1
0.95

7.In the given question, a number series is given with one term missing. Choose the correct option that will same pattern and fill in the blank spaces.: 90, 180, 12, 50, 100, 200, , 3, 50, 4, 25, 2, 6, 30, 3

150
175
225
250

8.In the given question, a number series is given,choose the most suitable answer: (2, 3), (3, 5), (5, 7), (7, 11), (11, 13)

(13, 15)
(15, 16)
(13, 17)
(13, 19)

9.In the following question, a number series is given. Choose the correct option that will same pattern and fill in the blank spaces.: In the Series 3, 9, 15, … what will be the 21st term ?

117
121
123

10.In the following question, one term missing. Choose the correct option that will same pattern and fill in the blank spaces.: In the Series 2, 6, 18, 54, …, what will be the 8th term

4370
4374
7443
7434

11. In the question below, one term in number series is incorrect, find out the incorrect number 121, 143, 165, 186, 209

143
165
186
209

12.Find out the incorrect number 11, 5, 20, 12, 40, 26, 74, 54

5
20
40
26

13.In the given alphabet series , question marks depict the missing terms: A, Z, X, B, V, T, C, R, ?, ?

P, D
E, O
Q, E
O, Q

14.In following alphabet series , one term missing . Choose the correct option: R, M, ?, F, D, ?

C, B
J, H
B, H
I, C

15.In the following alphabet series , missing term is shown by question mark . Choose missing term from options.: BF, CH, ?, HO, LT

DN
EL
EK
EM

16.In the following alphabet series , missing term is shown by question mark . Choose the missing term.: CE, GI, KM, OQ, ?

TW
TV
SU
RT

17.In the following alphabet series , missing term is depicted by a question mark . Choose the missing term.: CAT, FDW, IGZ, ?

KJA
KTC
LHD
LJC

18.Question mark depicts the missing term, find the correct option: BEH, KNQ, TWZ, ?

IJL
CFI
BDF
ADG

19.In the given questions, a sequence of groups of alphabets and numbers is provided with one term missing ,choose the correct option.: LXF, MTJ, NPN, OLR, ?

PHV
PIU
PJW
PKX

20.Sequence of groups of alphabets with one missing term is mentioned below ,choose the missing term from options.: MHZ, NIW, OKT, PNQ, ?

RRN
QRN
QRM
QQN

21.Choose the correct option: _ _ aba _ _ ba _ ab

abbba
abbab
baabb
bbaba

22.In the given series ,some alphabets are missing, choose the correct option.: c _ baa _ aca _ cacab _ acacabc_

acbaa
bbcaa
bccab
cbaac

23.In alphabet series,choose the correct option.: _ aba _ cabc _ dcba _ bab _ a

abdca
bcadc
abcdd
cbdaa

24.In the given question, three sequences are provided which correspond to each other in some way. Choose the suitable option for the expression : C B _ _ D _ B A B C C B _ _ 1 2 4 3 _ _ ? ? ? ? a _ a b _ c _ b _ _ _ _

3, 4, 4, 3
3, 2, 2, 3
3, 1, 1, 3
1, 4, 4, 1

25.In the given question, three sequences are provided which correspond to each other in some way. Find out what option fits best in the blank places: A _ B A C _ D _ B C D C _ 3 _ 2 _ 1 _ 4 ? ? ? ? d c _ _ b a c b _ _ _ _

1, 3, 4, 3,
1, 4, 3, 4
2, 3, 4, 3
3, 4, 1, 4