# Mental Ability Tests on 'Alphabet and Number Sequences and Series' Set 155

## 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. 155 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.

### Question 1

Examine the following series of digits and alphabets. How many pairs are such that the first item is a number but the second is an alphabet?

1 6 2 3 C 4 U P 8 2 5 4 I 5 W R K B Y 7

A

0

B

1

C

7

D

4

Soln.
Ans: D

At these locations: 3-C ;4-U ;4-I ;5-W ;

Question ID: 16-02-10-11-59-51-771.
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### Question 2

If every letter beginning from position 11, counted from left, is replaced by K, how many K will be there in the resulting sequence?

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

A

6

B

15

C

3

D

2

Soln.
Ans: B

The series becomes:

R I O T W Z D N U H K K K K K K K K K K K K K K K

Question ID: 16-02-10-11-59-51-772.
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### Question 3

The following sequence is first reversed, then every alternate letter beginning from position 9, counted from the left of the new sequence, is removed. Which letter will be in the middle of the remaining sequence?

B F A I W H O T K O J A M F V T Q R J Y X L S J U

A

U

B

Q

C

S

D

X

Soln.
Ans: B

The series becomes:

U J S L X Y J R Q V M J K O W A B

Question ID: 16-02-10-11-59-51-773.
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### Question 4

Which letter will be the 4th from right if 1st and 2nd, 3rd and 4th and so on are interchanged in the word GHOSTWRITERS?

A

G

B

T

C

E

D

S

Soln.
Ans: C

The new letter is: HGSOWTIRETSR

Question ID: 16-02-10-11-59-51-774.
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### Question 5

How many pairs of letters are there in the word COMPUTATIONS which have as many letters between them in the word as in the English alphabet?

A

7

B

3

C

6

D

2

Soln.
Ans: B
1. comPutaTions
2. compUTations
3. computatiONs
Question ID: 16-02-10-11-59-51-775.
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