Missing Numbers Quiz Set 027

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Question 1

What is missing?

 A

2013

 B

2125

 C

1516

 D

1718

Soln.
Ans: c

1516. In the top circle, the progression is plus 1, minus 2 plus 3, minus 4 and so on. In the bottom circle, the progression is minus 1, plus 2, minus 3, plus 4 and so on.


Question 2

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

4, 7, 13, 25, 49, 97, 153

 A

25

 B

49

 C

97

 D

153

Soln.
Ans: d

4 + 3 gives 7, 7 + (2 X 3) gives 13, 13 + (2 X 3 X 2) gives 25, 25 + (2 X 3 X 2 X 2) gives 49, 49 + (2 X 3 X 2 X 2 X 2) gives 97, but 97 + (2 X 3 X 2 X 2 X 2 X 2) is ≠ 153.


Question 3

What is missing?

 A

262.

 B

622.

 C

631.

 D

824.

Soln.
Ans: b

915 - 364 = 551 and 789 - 543 = 246, similarly, 863 - 241 = 622.


Question 4

7, 12, 19, (?), 39.

 A

28.

 B

26.

 C

24.

 D

29.

Soln.
Ans: a

7 (+5), 12 (+7), 19 (+9), 28 (+11), 39.


Question 5

456, 546, 654, 654, 789, (?), 987.

 A

978.

 B

789.

 C

897.

 D

879.

Soln.
Ans: d

The three digits are being shuffled. 456 -> 546 -> 654, then 789 -> 879 -> 987


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Creative Commons License
This Blog Post/Article "Missing Numbers Quiz Set 027" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Updated on 2019-08-18.

Posted by Parveen(Hoven),
Aptitude Trainer


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