**Number Series Questions For SSC Stenographer PDF:**

Download Number Series Questions For SSC Stenographer PDF. Practice Important Number Series Questions and Answers for Competitive Exams based on asked questions in previous papers.

Number Series Questions For SSC Stenographer PDF

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**Question 1:** Based on the given data, estimate the number of ‘Televisionbuyers’ for the year 1990.

1982 1984 1986 1988 1990

447 458 489 540 ?

a) 611

b) 591

c) 571

d) 601

**Question 2:** A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

144, 256, 400, ?

a) 441

b) 576

c) 625

d) 289

**Question 3:** A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

5, 7.5, 12.5, 22.5, ?

a) 42.5

b) 42

c) 44

d) 43.5

**Question 4:** A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

60, 121, 243, ?

a) 480

b) 487

c) 484

d) 486

**Question 5:** A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

4, 13, 40, 121, ?

a) 350

b) 360

c) 364

d) 362

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**Question 6:** A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

12, 60, 240, 720, ?

a) 1440

b) 1420

c) 1400

d) 1480

**Question 7: **A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

122, 197, 290, ?

a) 399

b) 400

c) 401

d) 402

**Question 8:** A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

80, 130, 190, 260, ?

a) 350

b) 340

c) 300

d) 320

**Question 9:** A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

30, 60, 360, 3600, ?

a) 48500

b) 50500

c) 50400

d) 40800

**Question 10: **A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

4, 9, 25, 64, 169, ?

a) 441

b) 225

c) 289

d) 256

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**Question 11:** A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

14, 22, 33, 47, 64, ?

a) 81

b) 84

c) 92

d) 94

**Question 12: **A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

12, 24, 72, 288, ?

a) 1440

b) 3250

c) 3025

d) 2025

**Question 13:** A series is given with on_e term missing. Choose the correct alternative from the given ones that will complete the series.

13, 21, 48, 112, ?

a) 237

b) 280

c) 255

d) 290

**Question 14: **A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

17, 27, 42, 62,?

a) 82

b) 87

c) 81

d) 84

**Question 15:** A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

11, 13, 17, 19, ?

a) 22

b) 23

c) 29

d) 31

**Answers & Solutions:**

**1) Answer (A)**

Number of television Buyers in 1982 = 447

Number of Television buyers in 1984 = 458 (447+11)

Number of Television buyers in 1986 = 489 (458+ 11 +20)

Number of Television buyers in 1988 = 540 (489 + 11 +20 +20 )

Number of Television buyers in 1990 = 611 (540 + 11 +20 +20 + 20 )

**2) Answer (B)**

The pattern followed is :

Thus, $24^2=576$

=> Ans – (B)

**3) Answer (A)**

The pattern followed is :

Thus, missing number = **42.5**

=> Ans – (A)

**4) Answer (B)**

The pattern followed is :

60 ×2 + 1 = 121

121 ×2 + 1 = 243243 ×2 + 1 = 487

=> Ans – (B)

**5) Answer (C)**

The pattern followed is :

Thus, missing number = **364**

=> Ans – (C)

**6) Answer (A)**

The pattern followed is :

Thus, missing number = **1440**

=> Ans – (A)

**7) Answer (C)**

The pattern followed is :

$(11)^2+1$ = 122

$(14)^2+1$ = 197

$(17)^2+1$ = 290

$(20)^2+1$ = **401**

=> Ans – (C)

**8) Answer (B)**

The pattern followed is :

Thus, missing number = **340**

=> Ans – (B)

**9) Answer (C)**

Expression : 30, 60, 360, 3600, ?

Thus, missing number = **50400**

=> Ans – (C)

**10) Answer (A)**

The pattern followed is :

Here 2+3=5 , 3+5=8 , 5+8=13 , 8+13=21

Thus, missing number = **441**

=> Ans – (A)

**11) Answer (B)**

The pattern followed is :

Thus, missing number = **84**

=> Ans – (B)

**12) Answer (A)**

Consecutive integers are multiplied.

12 $\times2$ = 24

24 $\times3$ = 72

72 $\times4$ = 288

288 $\times5$ = **1440**

=> Ans – (A)

**13) Answer (A)**

Cubes of consecutive natural numbers are added.

13 $+2^3$ = 21

21 $+3^3$ = 48

48 $+4^3$ = 112

112 $+5^3$ = **237**

=> Ans – (A)

**14) Answer (B)**

Multiples of 5 are added.

17 + 10 = 27

27 + 15 = 42

42 + 20 = 62

62 + 25 = **87**

=> Ans – (B)

**15) Answer (B)**

2 and 4 are alternatively added in the given numbers.

11 + 2 = 13

13 + 4 = 17

17 + 2 = 19

19 + 4 = **23**

=> Ans – (B)