Alphanumeric Series Questions for BOB Office Assistant Exam 2025

Alphanumeric Series questions are an important part of the Reasoning Ability section in the BOB Office Assistant Exam 2025. These questions test a candidate’s logical thinking and pattern recognition skills by combining letters, numbers, and sometimes symbols in a specific sequence. To excel in this section, aspirants should practice a variety of patterns involving forward and backward alphabet positions, alternate arrangements, and number-letter combinations.

Alphanumeric Series Questions for BOB Office Assistant Exam 2025

Regular practice of Alphanumeric Series questions helps improve accuracy and speed, which is crucial for scoring well in the competitive exam. In this article, we have presented the Alphanumeric Series questions for the BOB Assistant Exam 2025. These questions are designed as per the latest exam pattern and cover a variety of formats that have been frequently asked in recent banking exams.

Directions (1-5): Study the following digit-letter-symbol sequence carefully and answer the questions given below:

C % B K 1 & A W 5 P E 4 Q @ 7 F 6 G © Z J L 2 € D ¥ M # 8

Q1. How many such symbols are there in the above sequence, each of which is immediately preceded by a consonant and immediately followed by a number?

(a) None

(b) One 

(c) Two

(d) Four 

(e) None of these

Q2. Which of the following is fifth to the left of 15th element from the left?

(a) S

(b) P 

(c) E

(d) #

(e) None of these

Q3. If all the numbers are dropped in the given series, then which element will be at sixth position from right end?

(a) Z 

(b) M 

(c) L

(d) D

(e) None of these

Q4. How many such numbers are there in the above sequence, each of which is immediately preceded by a vowel and immediately followed by a consonant?

(a) Three 

(b) Two

(c) None

(d) One

(e) None of these

Q5. What should come in place of question mark in the following on the basis of above sequence?

B, &, P, 7, ?

(a) #

(b) M

(c) D

(d) 2

(e) J

Directions (6-10): Study the following alphanumeric series carefully and answer the questions given below: 

S * 7 B $ © G 2 8 U 1 & A V # F 3 5 H @ 5 Y 5 M 3 2 D 8 % N 2 4 

Q6. How many such numbers are there which is preceded by alphabets and followed by symbols?

(a) One

(b) Two

(c) Three

(d) Four

(e) None

Q7. Which of the following element is 19th from right end of the series?

(a) #

(b) F

(c) 3

(d) V

(e) None of these

Q8. How many such symbols are there which is preceded by numbers and followed by vowels? 

(a) Two

(b) None

(c) One

(d) Four

(e) Three

Q9. How many such alphabets are there which is preceded and followed by same number?

(a) Three

(b) Two

(c) One

(d) Four

(e) None

Q10. If all numbers are eliminated from the series, then, which of the following element is 11th from right end of the series?

(a) V

(b) A

(c) &

(d) #

(e) None of these

Directions (11-15): Study the following alphabetical sequence and answer the questions following it. 

A B B C D E F E I B C A F E C B B A C A O B N U V W

Q11. How many B’s are there in the alphabetical series which are immediately preceded by a vowel and immediately followed by consonant?

(a) One

(b) Two  

(c) Three 

(d) More than three

(e) None of these 

Q12. If all the vowels are dropped from the series, then which alphabet will be eighth from the right end?

(a) C 

(b) B 

(c) N 

(d) F 

(e) None of these 

Q13. How many consonants are there in the alphabetical series which are immediately preceded by a Vowel?

(a) One 

(b) Two 

(c) Four 

(d) None

(e) More than Five

Q14. If the position of the 1st and the 14th alphabets, the 2nd and the 15th alphabets, and so on up to the 13th and the 26th alphabets, are interchanged, then which alphabet will be 7th to the right of 10th alphabet from the right end? 

(a) A 

(b) C 

(c) N 

(d) B 

(e) None of these

Q15. How many total vowels are there in the alphabetical series? 

(a) Five 

(b) Ten   

(c) Three 

(d) Nine 

(e) None of these