Mental Ability Tests on 'Alphabet and Number Sequences and Series' Set 109

These questions help you develop speed and accuracy. Every exam tests these skills. So if you are preparing for a bank exam, state and national talent search exams, UGC NET, GATE, etc., then this quiz will help you master these skills. I have provided answers and solutions to each of the questions. This is quiz no. 109 in this series.

Last Reviewed and Updated on February 7, 2020
Posted by Parveen(Hoven),
Aptitude Trainer and Software Developer

Quiz Questions

Each question has four choices. More than one option can be correct. After you have finished the quiz scroll towards the last question to view your result. I have provided solutions and answers to all the questions.

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Question 1

The following sequence is first reversed, then every alternate letter beginning from position 13, counted from the left of the new sequence, is removed. Which letter will be in the middle of the remaining sequence?

Y K B G K X J I M C S B W Q J A Y C O I X N E T L

 A

I

 B

L

 C

O

 D

A

Soln.
Ans: D

The series becomes:

L T E N X I O C Y A J Q W S M J K B Y

Question ID: 16-02-10-11-59-51-541.
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Question 2

In the number series written below, how many 7 are there that are completely divisible by both the two successors to their right?

8 3 8 5 7 6 5 2 7 9 2 7 9 7 1 7 4 3 6

 A

4

 B

3

 C

1

 D

0

Soln.
Ans: C

At these locations: 7-1-7 ;

Question ID: 16-02-10-11-59-51-542.
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Question 3

Study the following series.

J E Z G $ N @ M 1 W 9 P A D X B 6 L I U

Find what should come in place of the question mark(?)

$N, MW, 9D, ?

 A

WN

 B

DL

 C

EW

 D

@Z

Soln.
Ans: B

There is a gap of 2 between the first characters of each of the given pair. The second character of each pair is increasingly moving one position to the right of the first character.

Question ID: 16-02-10-11-59-51-543.
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Question 4

Study the following series.

6 X E @ 4 H A S D O W N $ 5 U + 1 2 Z 3

Find what should come in place of the question mark(?)

E@ , HS , ? , N+

 A

E@

 B

H@

 C

6E

 D

DN

Soln.
Ans: D

There is a gap of 2 between the first characters of each of the given pair. The second character of each pair is increasingly moving one position to the right of the first character.

Question ID: 16-02-10-11-59-51-544.
Found an error? Send us the ID of this question.

Question 5

If every letter beginning from H is replaced by consecutive odd number beginning with 3, which number or letter will be 4th to the right of the 13th number or letter counting from the right end?

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

 A

23

 B

7

 C

13

 D

F

Soln.
Ans: A

The series becomes:

A B C D E F G 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39

Question ID: 16-02-10-11-59-51-545.
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This Blog Post/Article "Mental Ability Tests on 'Alphabet and Number Sequences and Series' Set 109" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Updated on 2020-02-07. Published on: 2016-02-10