  # Number Series Practice Set 2 5 Steps - 3 Clicks

# Number Series Practice Set 2

### Introduction

Number Series is one of the important topic in the Quantitative Aptitude section. Number Series is the arrangement of numbers in a certain order where some numbers are wrongly kept or some numbers are missing from that series. So accurate series are to be found. Number Series in competitive exams are divided into two. One is missing series and the other is the wrong series. A number series is given in which a number is wrongly placed in the wrong series. Candidates are asked to identify that particular wrong number. A number series in which a specific number is missing is the missing series. Candidates have to identify the missing number. The article Number Series Practice Set 2 lists important Number series practice questions for competitive exams like RRB ALP/Technical Exams/Junior Engineer Recruitment Exams, SSC, IBPS PO Exams and etc.

### Quiz

Q1. 9, 8, 15, ?, 175, 874

A. 42
B. 24
C. 38
D. 44

Explanation:
$$9 \times 1 – 1$$ = 8

$$8 \times 2 – 1$$ = 15

$$15 \times 3 – 1$$ = 44

Q2. 2, 2, 12, 36, 104, ?

A. 232
B. 221
C. 223
D. 224

Explanation:
2 + 1³ – 1 = 2

2 + 2³ + 2 = 12

12 + 3³ – 3 = 36

36 + 4³ + 4 = 104

Q3. 4, 15, 63, 247, 995, ?

A. 3975
B. 3973
C. 3965
D. 3971

Explanation:
$$4 \times 4 – 1$$ = 15

$$15 \times 4 + 3$$ = 63

$$63 \times 4 – 5$$ = 247

$$247 \times 4 + 7$$ = 995

$$995 \times 4 – 9$$ = 3971

Q4. 3, ?, 7, 9, 11, 13

A. 6
B. 5
C. 8
D. 9

Explanation:
$$3 \times 2 – 1$$ = 5

$$5 \times 2 – 3$$ = 7

$$7 \times 2 – 5$$ = 9

Q5. 6, 8, 12, 42, 160, ?

A. 870
B. 840
C. 850
D. 810

Explanation:
$$6 \times 1 + 2$$ = 8

$$8 \times 2 – 4$$= 12

$$12 \times 3 + 6$$ = 42

$$42 \times 4 – 8$$ = 160

$$160 \times 5 + 10$$ = 810

Q1. 8, 9, 15, 32, ?, 250.5

A. 82.5
B. 47.5
C. 62.5
D. 37.5

Explanation:
$$8 \times 1 + 1$$ = 9

$$9 \times 1.5 + 1.5$$ = 15

$$15 \times 2 + 2$$ = 32

$$32 \times 2.5 + 2.5$$ = 82.5

$$82.5 \times 3 + 3$$ = 250.5

Q2. 12 7 9 22 96 ?

A. 754
B. 784
C. 794
D. 734

Explanation:
$$12 \times 0.5 + 1$$ = 7

$$7 \times 1 + 2$$ = 9

$$9 \times 2 + 4$$ = 22

$$22 \times 4 + 8$$ = 96

$$96 \times 8 + 16$$ = 784

Q3. 2, 4, 7, ?, 87, 344

A. 38
B. 24
C. 56
D. 44

Explanation:
2 + 1² + 1 = 4

4 + 2² – 1 = 7

7 + 4² + 1 = 24

24 + 8² – 1 = 87

87 + 16² + 1 = 344

Q4. 6, 4, 10, 14, 43, ?

A. 119
B. 127
C. 114
D. 141

Explanation:
$$6 \times 1 – 2$$ = 4

$$4 \times 1.5 + 4$$ = 10

$$10 \times 2 – 6$$ = 14

$$14 \times 2.5 + 8$$ = 43

$$43 \times 3 – 10$$ = 119

Q5. 4, ?, 14, 40, 88, 170

A. 9
B. 5
C. 6
D. 7

Explanation:
4 + 1² + 1 = 6

6 + 3² – 1 = 14

14 + 5² + 1 = 40

40 + 7² – 1 = 88

88 + 9² + 1 = 170

Q1. 6, 6, 7, ?, 91, 463

A. 33
B. 43
C. 38
D. 25

Explanation:
$$6 \times 1 – 1 + 1$$ = 6

$$6 \times 2 – 2 – 3$$ = 7

$$7 \times 3 – 1 + 5$$ = 25

$$25 \times 4 – 2 – 7$$ = 91

$$91 \times 5 – 1 + 9$$ = 463

Q2. 2, 5, 9, 42, 98, ?

A. 233
B. 218
C. 221
D. 225

Explanation:
2 + 1³ + 2 = 5

5 + 2³ – 4 = 9

9 + 3³ + 6 = 42

42 + 4³ – 8 = 98

98 + 5³ + 10 = 233

Q3. 3, 11, 47, 183, ?, 2947

A. 775
B. 770
C. 765
D. 739

Explanation:
$$3 \times 4 – 1$$ = 11

$$11 \times 4 + 3$$ = 47

$$47 \times 4 – 5$$ = 183

$$183 \times 4 + 7$$ = 739

$$739 \times 4 – 9$$ = 2947

Q4. 2, ?, 8, 10, 28, 46

A. 2
B. 5
C. 4
D. 8

Explanation:
$$2 \times 2 – 2$$ = 2

$$2 \times 2 + 4$$ = 8

$$8 \times 2 – 6$$ = 10

$$10 \times 2 + 8$$ = 28

$$28 \times 2 – 10$$ = 46

Q5. 4, 6, 8, 30, 112, ?

A. 540
B. 580
C. 590
D. 570

Explanation:
$$4 \times 1 + 2$$ = 6

$$6 \times 2 – 4$$ = 8

$$8 \times 3 + 6$$ = 30

$$30 \times 4 – 8$$ = 112

$$112 \times 5 + 10$$ = 570

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