Number Series Test

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Number Series Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

Find the missing term in the given series.

71, 76, 69, 74, 67, 72, ____

A
61

B
79

C
65

D
77

Solution

The pattern is: + 5, - 7, + 5, - 7, ...
Hence, the missing number is:
72 - 7 = 65
Question 2
1 / -0

Directions: Choose the correct alternative that will continue the same pattern in the given series.

3, 21, 7, 56, 8, 24, ____

A
48

B
8

C
3

D
6

Solution

There is group of three numbers like 3, 21, 7 and middle digit is the multiplication of the rest two digits.
(3 7 = 21), (7 8 = 56), (8 3 = 24)
Question 3
1 / -0

Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.

2, 0, 3, 1, 4, 2, ___, 3

A
0

B
5

C
3

D
4

Solution

The sequence consists of two series: 2, 3, 4, 5 and 0, 1, 2, 3.
Question 4
1 / -0

Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.

1, 4, 9, 16, 25, 36, ____

A
49

B
56

C
38

D
52

Solution

The series is 1², 2², 3², 4², etc.
Missing number = 7² = 49
Question 5
1 / -0

Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.

21, 12, 36, 63, 15, ___

A
51

B
35

C
29

D
63

Solution

The series is an image series. The pairs are (21, 12); (36, 63); (15, 51).
Question 6
1 / -0

Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.

101, 100, ____, 87, 71, 46

A
92

B
88

C
89

D
96

Solution

The pattern is –1², –2², –3², –4², –5².
(–1, –4, –9, –16, –25)
The missing number is (100 – 4) = 96.
Question 7
1 / -0

Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.

4, 7, 13, 25, 49, __

A
97

B
101

C
43

D
84

Solution

The series follows the pattern: "x 2 – 1".
i.e. 4 x 2 - 1 = 7
Therefore, the missing number is (49 × 2 – 1) = 97.
Question 8
1 / -0

Complete the series.

15, 16, 18, ?, 30, 46

A
34

B
24

C
22

D
27

Solution

The sequence is: +1, +2, +4, +8, +16.
15 + 1 = 16
16 + 2 = 18
18 + 4 = 22
22 + 8 = 30
30 + 16 = 46
The missing number is 22.
Question 9
1 / -0

Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.

18, 20, 15, 17, 12, 14, ___.

A
9

B
7

C
5

D
8

Solution

The sequence is +2, –5, +2, –5 etc. The missing number is 14 – 5 = 9.
Question 10
1 / -0

Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.

3, 2, 7, 15, 106, ____

A
1591

B
213

C
319

D
1014

Solution

The product of two consecutive terms + 1 gives the next term in the series.
(3 2) + 1 = 7
(2 7) + 1 = 15
(7 15) + 1 = 106
(106 15) + 1 = 1591
Hence, 1591 is the missing term.
Question 11
1 / -0

Directions: In the following question, a number series is given with one term missing. Choose the alternative that will continue the same pattern.

6, 54, 9, 36, 4, 28, ----

A
10

B
6

C
8

D
7

E
None of the above

Solution

6 × 9 = 54; 9 × 4 = 36; 4 × 7 = 28
Question 12
1 / -0

Directions: In the following question, a number series is given with one missing term. Choose the correct alternative that will continue the same pattern in the given series.

6, 9, 12, ___, 18, 27, 24, 36

A
14

B
15

C
18

D
21

Solution

The sequence consists of two series 6, 12, 18, 24 and 9, 18, 27, 36.
So, the missing number is 18.
Question 13
1 / -0

Directions: In the following question, a number series is given with one missing term. Choose the correct alternative that will continue the same pattern in the given series.

7, 8, 12, 21, 37, ___

A
45

B
56

C
62

D
72

Solution

The sequence is +1², +2², +3², +4², + 5² or (+1, +4, +9, +16, +25).
The missing number is 37 + 25 = 62.
Question 14
1 / -0

Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.

3, 5, 6, 6, 9, 7, ___

A
14

B
18

C
16

D
12

Solution

The sequence consists of two series:
First series:
3 + 3 = 6
6 + 3 = 9
9 + 3 = 12
Second series:
5 + 1 = 6
6 + 1 = 7
7 + 1 = 8
Question 15
1 / -0

Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.

30, 70, 40, 50, 50, 30, 60, ____.

A
10

B
20

C
30

D
40

E
None of these

Solution

The sequence consists of two series 30, 40, 50, 60 and 70, 50, 30, 10.
Question 16
1 / -0

Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.

16, ____, 33, 50, 83, 133.

A
19

B
17

C
20

D
23

Solution

16 + 17 = 33; 17 + 33 = 50; 33 + 50 = 83... (The sum of two numbers is equal to the next number).
Question 17
1 / -0

Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.

8, 11, 19, 26, 19, 11, -----.

A
8

B
14

C
6

D
15

Solution

The sequence looks alike in reverse order also.
Question 18
1 / -0

Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that would follow the same pattern in the given series.

4, 3, 8, 6, 12, 9, ____.

A
16

B
15

C
18

D
12

Solution

The given sequence consists of two series.
The first series shows 4, 8, 12, 16.
The second series shows 3, 6, 9.
Question 19
1 / -0

Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.

3, 6, 12, 24, 48, ____

A
96

B
48

C
152

D
136

Solution

Numbers are getting doubled at each step.
Missing term = 48 x 2 = 96
Question 20
1 / -0

Directions: Choose the correct alternative that will continue the same pattern in the given series.

3, ___, 15, 31, 63, 127

A
5

B
7

C
10

D
11

Solution

Double the number and add one to get the next number.
(3 2) + 1 = 7 is the missing number.

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Re-Attempt Weekly Quiz Competition

Number Series Test - 1

Result

Number Series Test - 1

Score

-

Rank

-

SHARING IS CARING

Question 1

61

79

65

77

Solution

Question 2

48

8

3

6

Solution

Question 3

0

5

3

4

Solution

Question 4

49

56

38

52

Solution

Question 5

51

35

29

63

Solution

Question 6

92

88

89

96

Solution

Question 7

97

101

43

84

Solution

Question 8

34

24

22

27

Solution

Question 9

9

7

5

8

Solution

Question 10

1591

213

319

1014

Solution

Question 11

10

6

8

7

None of the above

Solution

Question 12

14

15

18

21