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Super TET Exam  >  Super TET Tests  >  CAT Previous Year Questions: Number Series - Super TET MCQ

CAT Previous Year Questions: Number Series - Super TET MCQ


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20 Questions MCQ Test - CAT Previous Year Questions: Number Series

CAT Previous Year Questions: Number Series for Super TET 2024 is part of Super TET preparation. The CAT Previous Year Questions: Number Series questions and answers have been prepared according to the Super TET exam syllabus.The CAT Previous Year Questions: Number Series MCQs are made for Super TET 2024 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 course for Super TET & CAT Previous Year Questions: Number Series solutions in Hindi for Super TET course. Download more important topics, notes, lectures and mock test series for Super TET Exam by signing up for free. Attempt CAT Previous Year Questions: Number Series | 20 questions in 25 minutes | Mock test for Super TET preparation | Free important questions MCQ to study for Super TET Exam | Download free PDF with solutions
CAT Previous Year Questions: Number Series - Question 1
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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
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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.

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CAT Previous Year Questions: Number Series - Question 3
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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 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
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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
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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
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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
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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
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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
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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
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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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