# Mental Ability Tests on 'Alphabet and Number Sequences and Series' Set 129

## 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. 129 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?

6 2 I T X 8 J 1 B K Q 7 9 Z L 7 3 N 4 O

A

6

B

3

C

1

D

2

Soln.
Ans: A

At these locations: 2-I ;8-J ;1-B ;9-Z ;3-N ;4-O ;

Question ID: 16-02-10-11-59-51-641.
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### Question 2

If the second half of the following series is reversed, then which item is 9th to the left of the 5th item from the right side? The series is:

W A U 5 O 3 S T 4 7 6 P K F R I @ Q X L

A

S

B

L

C

R

D

A

Soln.
Ans: A

Midpoint is 10. We have to find 20 - 5 - 9 = 6 + 1th item from the left side. Since the location lies in the left half, reversing the series has no effect in this zone. So counting from the left side, the item is S.

Question ID: 16-02-10-11-59-51-642.
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### Question 3

In the sequence of alphabets and digits below, how many pairs are such that the first item is an alphabet but the second is a number?

U G 1 K 9 4 9 Z T C I B A Y M 7 W 3 2 L

A

5

B

3

C

4

D

6

Soln.
Ans: C

At these locations: G-1 ;K-9 ;M-7 ;W-3 ;

Question ID: 16-02-10-11-59-51-643.
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### Question 4

The following sequence is first reversed, then every alternate letter beginning from position 5, counted from the left of the new sequence, is removed. Which letter will be in the middle of the remaining sequence?

U J W Z Z G K V V X R C N Q P O D F T W F M L R E

A

F

B

W

C

T

D

P

Soln.
Ans: D

The series becomes:

E R L M F T D P N R V K Z W U

Question ID: 16-02-10-11-59-51-644.
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### Question 5

If the alphabets at the positions 1, 2, 3, 5, 9, 15 and 18 are picked up and a meaningful word is formed out of them, what would be the second letter of that word?

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

E

B

A

C

R

D

D

Soln.
Ans: A

The letters are: A, B, C, E, I, O, R. The word is AEROBIC

Question ID: 16-02-10-11-59-51-645.
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