CAT Previous Year Questions: Number Series

# CAT Previous Year Questions: Number Series

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## 20 Questions MCQ Test General Test Preparation for CUET | CAT Previous Year Questions: Number Series

CAT Previous Year Questions: Number Series for Banking Exams 2022 is part of General Test Preparation for CUET preparation. The CAT Previous Year Questions: Number Series questions and answers have been prepared according to the Banking Exams exam syllabus.The CAT Previous Year Questions: Number Series MCQs are made for Banking Exams 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for CAT Previous Year Questions: Number Series below.
Solutions of CAT Previous Year Questions: Number Series questions in English are available as part of our General Test Preparation for CUET for Banking Exams & CAT Previous Year Questions: Number Series solutions in Hindi for General Test Preparation for CUET course. Download more important topics, notes, lectures and mock test series for Banking Exams Exam by signing up for free. Attempt CAT Previous Year Questions: Number Series | 20 questions in 25 minutes | Mock test for Banking Exams preparation | Free important questions MCQ to study General Test Preparation for CUET for Banking Exams Exam | Download free PDF with solutions
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CAT Previous Year Questions: Number Series - Question 1

### Wrong Number Series: 59, 41, 68, 33, 77, 23

Detailed Solution for CAT Previous Year Questions: Number Series - Question 1

Therefore, wrong no. is 33

CAT Previous Year Questions: Number Series - Question 2

### 9, 5, 6, 10.5, 23, 90, 183,

Detailed Solution for CAT Previous Year Questions: Number Series - Question 2

The solution is:
(9 + 1) * 0.5 = 5
(5 + 1) * 1 = 6
(6 + 1) * 1.5 = 10.5
(10.5 + 1) * 2 = 23
(23 + 1) * 2.5 = 60 ≠ 90
(60 + 1) * 3 = 183

Therefore, wrong no. is 90.

CAT Previous Year Questions: Number Series - Question 3

### 318, 168, 78, 38, 18, 8, 3

Detailed Solution for CAT Previous Year Questions: Number Series - Question 3

The solution is:
(3 + 1) * 2 = 8
(8 + 1) * 2 = 18
(18 + 1) * 2 = 38
(38 + 1) * 2 = 78
(78 + 1) * 2 = 158 ≠ 168
(158 + 1) * 2 = 318

Therefore, wrong no. is 168

CAT Previous Year Questions: Number Series - Question 4

3, 8, 18, 38, 80, 158, 318

Detailed Solution for CAT Previous Year Questions: Number Series - Question 4

The solution is:
3 * 2 + 2 = 8
8 * 2 + 2 = 18
18 * 2 + 2 = 38
38 * 2 + 2 = 78 ≠  80
78 * 2 + 2 = 158
158 * 2 + 2 = 318
Therefore, wrong no. is 80

CAT Previous Year Questions: Number Series - Question 5

120, 143, 168, 195, 225, ?

Detailed Solution for CAT Previous Year Questions: Number Series - Question 5

(11)*11 – 1 = 120
11*13 = 143
13*13-1 = 168
13*15 = 195
15*15-1=225
15*17=255
Answer is 255 so, none of these.

CAT Previous Year Questions: Number Series - Question 6

32, 39, 65, 128, 253, 467

Detailed Solution for CAT Previous Year Questions: Number Series - Question 6

Therefore, wrong no. is 253

CAT Previous Year Questions: Number Series - Question 7

33, 39, 56, 85, 127, 185, 254

Detailed Solution for CAT Previous Year Questions: Number Series - Question 7

Therefore, it must be 42+14 = 56   i.e. 127+56 = 183
56+ 15 = 71  i.e. 183+ 71 = 254
Hence, wrong no. is 185

CAT Previous Year Questions: Number Series - Question 8

7, 9, 21, 67, 275, 1371, 8233

Detailed Solution for CAT Previous Year Questions: Number Series - Question 8

The solution is :
7 * 1 + 2 = 9
9 * 2 + 3 = 21
21 * 3 + 4 = 67
67 * 4 + 5 = 273  ≠    275
273 * 5 + 6 = 1371
1371 * 6 + 7 = 8233
Therefore, wrong no. is 275

CAT Previous Year Questions: Number Series - Question 9

3, 6, 15, 45, 157, 630, 2835

Detailed Solution for CAT Previous Year Questions: Number Series - Question 9

The solution is :
3 * 2 = 6
6 * 2.5 = 15
15 * 3 = 45
45 * 3.5 = 157.5   ≠      157
157.5 * 4 = 630
630 * 4.5 = 2835
Therefore, wrong no. is 157

CAT Previous Year Questions: Number Series - Question 10

5, 23, 43, 66, 94, 131

Detailed Solution for CAT Previous Year Questions: Number Series - Question 10

Because, difference of the difference is prime numbers in increasing order . therefore, wrong no. is 131

CAT Previous Year Questions: Number Series - Question 11

4, 2, 6, 0, 8, -4, 10

Detailed Solution for CAT Previous Year Questions: Number Series - Question 11

Therefore, wrong no. is -4

CAT Previous Year Questions: Number Series - Question 12

2478, 819, 257, 84, 24, 5

Detailed Solution for CAT Previous Year Questions: Number Series - Question 12

2478/3 – 7 = 819
819/3 – 6  = 267  ≠    257
267/3 – 5 = 84
84/3 – 4 = 24
24/3 – 3 = 5
Therefore, the wrong no. is 257

CAT Previous Year Questions: Number Series - Question 13

3, 11, 34, 69, 131, 223

Detailed Solution for CAT Previous Year Questions: Number Series - Question 13

The solution is :
(1)3 + 2 = 3
(2)3 + 3 = 11
(3)3 + 4 = 31  ≠   34
(4)3 + 5 = 69
(5)3 + 6 = 131
Therefore, the wrong no. is 34

CAT Previous Year Questions: Number Series - Question 14

9, 5, 9,  25, 95, 414

Detailed Solution for CAT Previous Year Questions: Number Series - Question 14

The solution is :
9 * .5 + .5 = 5
5 * 1.5 + 1.5 = 9
9 * 2.5 + 2.5 = 25
25 * 3.5 + 3.5 = 91  ≠ 95
91 * 4.5 + 4.5 = 414
Therefore wrong no. is 95

CAT Previous Year Questions: Number Series - Question 15

8, 18, 64, 272, 1395, 8424, 59045

Detailed Solution for CAT Previous Year Questions: Number Series - Question 15

Therefore, wrong no. is 64

CAT Previous Year Questions: Number Series - Question 16

47, 44, 45, 46, 33, 57, 3, 88

Detailed Solution for CAT Previous Year Questions: Number Series - Question 16

Therefore, wrong no. is 57

CAT Previous Year Questions: Number Series - Question 17

1, 8, 66, 460, 2758, 13785, 55146

Detailed Solution for CAT Previous Year Questions: Number Series - Question 17

The solution is :
1 * 9 – 1 = 8
8 * 8 + 2 = 66
66 * 7 - 3 =459 ≠   460
459 * 6 + 4 = 2758
2758 * 5 – 5 = 13785
13785 * 4 + 6 = 55146
Therefore, wrong no. is 460

CAT Previous Year Questions: Number Series - Question 18

3, 7.5, 15,  37.5, 75, 167.5, 375

Detailed Solution for CAT Previous Year Questions: Number Series - Question 18

The solution is :
3 * 2.5 = 7.5
15 * 2.5 = 37.5
75 * 2.5 = 187.5   ≠  167.5
7.5 * 2 = 15
37.5 * 2 = 75
187.5 * 2 = 375
Therefore, wrong no. is 167.5

CAT Previous Year Questions: Number Series - Question 19

4, 12, 42, 196, 1005, 6066, 42511

Detailed Solution for CAT Previous Year Questions: Number Series - Question 19

The solution is:
4 * 2 + (2)2 = 12
12 * 3 + (3)2 = 45   ≠  42
45 * 4 + (4)2 = 196
196 * 5 + (5)2 = 1005
1005 * 6 + (6)2 = 6066
6066 * 7 +(7)2 = 2511
Therefore, wrong no. is 42

CAT Previous Year Questions: Number Series - Question 20

9, 7, 15, 44, 175, 874

Detailed Solution for CAT Previous Year Questions: Number Series - Question 20

The solution is :
9 * 1 – 1 = 8  ≠ 7
8 * 2 – 1 = 15
15 * 3 – 1 = 44
44 * 4 – 1 = 175
175 * 5 – 1 = 874
Therefore, wrong no. is 7

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90 videos|159 docs|546 tests