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Regulatory Body Exams Exam  >  Regulatory Body Exams Test  >  RBI Assistant Preparation Course  >   Number Series - MCQ 3 - Regulatory Body Exams MCQ

Number Series - MCQ 3 Regulatory Body Exams MCQs & solutions Free


MCQ Practice Test & Solutions: Number Series - MCQ 3 (20 Questions)

You can prepare effectively for Regulatory Body Exams RBI Assistant Preparation Course with this dedicated MCQ Practice Test (available with solutions) on the important topic of " Number Series - MCQ 3". These 20 questions have been designed by the experts with the latest curriculum of Regulatory Body Exams 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 15 minutes
  • - Number of Questions: 20

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Number Series - MCQ 3 - Question 1
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5, 12, ?, 41, 87, 214

Detailed Solution: Question 1

5+7 = 12
12+(7+3=10) =22
22+(10+9=19) = 41
41+(19+27=46) = 87
87+(46+81=127) = 214

Number Series - MCQ 3 - Question 2
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14, ?, 13, 17.5, 21.75

Detailed Solution: Question 2

14/2 + 5 = 12
12/2 +7 = 13
13/2 + 11= 17.5
17.5/2+13 = 21.75

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Number Series - MCQ 3 - Question 3
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15, 5, 4.5, 5.8.7.9, ?

Detailed Solution: Question 3

15*0.2 +2 = 5
5*0.3+3 = 4.5
4.5*0.4+4 = 5.8
5.8*0.5+5 =7.9
7.9*0.6+6 = 10.74

Number Series - MCQ 3 - Question 4
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107, 106, 52, 16.3 , ?

Detailed Solution: Question 4

107-1/1 = 106

106-2/2 = 52
52-3/3 = 16.3
16.3-4/4 = 3.075

Number Series - MCQ 3 - Question 5
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29, ?, 79, 131, 201

Detailed Solution: Question 5

29+(18*1-2) = 29+16 = 45
45+(18*2-2) = 45+34 = 79
79+(18*3-2) = 79+52 = 131
131+(18*4-2) = 131+70 = 201

Number Series - MCQ 3 - Question 6
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?, 6, 10.5, 23, 60

Detailed Solution: Question 6

9*0.5+0.5 = 5
5*1+1 = 6
6*1.5+1.5 = 10.5
10.5*2+2 = 23
23*2.5+2.5 = 60

Number Series - MCQ 3 - Question 7
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211, 90, 171, 122, 147, 138, ?

Detailed Solution: Question 7

211-112 = 90
90+92 = 171
171-72 = 122
122+52 = 147
147-32 = 138
138+12 = 139

Number Series - MCQ 3 - Question 8
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1256, 318, ?, 163, 328, 86

Detailed Solution: Question 8

1256/4 =314+4 = 318
318*2 = 636+2 = 638
638/4 = 159+4 = 163
163*2 =326+2 = 328
328/4 = 82+4 = 86

Number Series - MCQ 3 - Question 9
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37, 54, 88, ?, 207

Detailed Solution: Question 9

37+17 = 54
54+2*17 = 88
88+3*17 =139
139+4*17 = 207

Number Series - MCQ 3 - Question 10
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13, 29, 48, 70, 95, ?

Detailed Solution: Question 10

13+(9+7) = 29
29+(9+10) = 48
48+(9+13) =70
70+(9+16) = 95
95+(9+19) = 123

Number Series - MCQ 3 - Question 11
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2, 3, 6, 14, ?, 115.5

Detailed Solution: Question 11

2 * 1 + 1 = 3
3 * 1.5 + 1.5= 6
6 * 2 + 2 = 14
14 * 2.5 + 2.5 = 37.5
37.5 * 3 + 3 = 115.5

Number Series - MCQ 3 - Question 12
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12 13 28 85 ? 1711

Detailed Solution: Question 12

12*1 – 1 + 2 = 13
13*2 – 2 + 4 = 28
28*3 – 1 + 2 = 85
85*4 – 2 + 4 = 342
342*5 – 1 + 2 = 1711

Number Series - MCQ 3 - Question 13
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3, 5, 10, ?, 92, 349

Detailed Solution: Question 13

3 + 1² + 1 = 5
5 + 2² + 1 = 10
10 + 4² + 1 = 27

Number Series - MCQ 3 - Question 14
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5, 8, 15, 37, ?, 309.5

Detailed Solution: Question 14

5 * 1 + 2 + 1 = 8
8 * 1.5 + 4 – 1 = 15
15 * 2 + 6 + 1 = 37
37 * 2.5 + 8 – 1 = 99.5
99.5 * 3 + 10 + 1 = 309.5

Number Series - MCQ 3 - Question 15
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3, ?, 13, 39, 87, 169

Detailed Solution: Question 15

3 + 1² + 1= 5
5 + 3² – 1= 13
13 + 5² + 1= 39……..

Number Series - MCQ 3 - Question 16
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6, 7, 16, ?, 218, 1099

Detailed Solution: Question 16

6*1 – 1 + 2 = 7
7*2 – 2 + 4 = 16
16*3 – 1 + 6 = 53

Number Series - MCQ 3 - Question 17
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3, 2, 14, 35, 107, ?

Detailed Solution: Question 17

3 + 1³ – 2 = 2
2 + 2³ + 4 = 14
14 + 3³ – 6 = 35
35 + 4³ + 8 = 107

Number Series - MCQ 3 - Question 18
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1, 3, 15, 55, ?, 899

Detailed Solution: Question 18

1 * 4 – 1 = 3
3 * 4 + 3 = 15
15 * 4 – 5 = 55
55 * 4 + 7 = 227
227 * 4 – 9 = 899

Number Series - MCQ 3 - Question 19
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2, ?, 8, 10, 28, 46

Detailed Solution: Question 19

2*2 – 2 = 2
2*2 + 4 = 8
8*2 – 6 = 10

Number Series - MCQ 3 - Question 20
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4, 6, 8,30,112, ?

Detailed Solution: Question 20

4 * 1 + 2 = 6
6 * 2 – 4 = 8
8 * 3 + 6 = 30
30 * 4 – 8 = 112
112 * 5 + 10 = 570

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About this Regulatory Body Exams Practice Test

This test contains 20 MCQs on Number Series - MCQ 3 with detailed solutions for each question. It is part of the RBI Assistant Preparation Course course on EduRev, designed to align with the current Regulatory Body Exams syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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