Missing Numbers Quiz Set 015

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Question 1

One number is wrong in the series. Find the wrong number.

4, 10, 23, 50, 104, 216, 439

 A

4

 B

10

 C

23

 D

104

Soln.
Ans: d

Series follows the pattern: 4 × 2 + 2 = 10, 10 × 2 + 3 = 23, 23 × 2 + 4 = 50, 50 × 2 + 5 = 105, 105 × 2 + 6 = 216 so on. Hence, the number 104 should be replaced by 105. So 104 is wrong.

Solution | Discuss! | Chapters»

Question 2

 A

2.

 B

4.

 C

6.

 D

8.

Soln.
Ans: c

(4 x 7) / 4 = 7, (6 x 2) / 3 = 4 ∴ (6 x 2) / 2 = 6.

Solution | Discuss! | Chapters»

Question 3

What is missing?

 A

60.

 B

30.

 C

20.

 D

45.

Soln.
Ans: b

(16 + 13) = (14 + 15), (28 + 12) = (10 + 30), (29 + 16) = 15 + 30.

Solution | Discuss! | Chapters»

Question 4

1, 4, 9, 16, 25, (?)

 A

36.

 B

35.

 C

48.

 D

49.

Soln.
Ans: a

The series is squares of 1, 2, 3, 4, 5, 6, and so on. Another alternative is as shown below.

Solution | Discuss! | Chapters»

Question 5

18, 24, 21, 27, (?), 30, 27.

 A

33.

 B

24.

 C

30.

 D

21.

Soln.
Ans: b
Solution | Discuss! | Chapters»
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This Blog Post/Article "Missing Numbers Quiz Set 015" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Updated on 2020-02-07. Published on: 2016-03-16

Posted by Parveen(Hoven),
Aptitude Trainer

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