# Alpha-Numeric Series for IBPS RRB Prelims: 24th July 2018

**Dear**

**Aspirants**,**Reasoning Questions for IBPS**

**RRB 2018**

**Reasoning Ability**is an onerous section. With the increasing complexity of questions, it becomes hard for one to give it the cold shoulder. The only way to make the grade in this particular section in the forthcoming banking exams like

**IBPS RRB**is to practice continuously with all your heart and soul. And, to let you practice with the best of the latest pattern questions, here is the

**Adda247 Reasoning Quiz**based on the study plan and the exact same pattern of questions that are being asked in the exams.

**Directions (1–5): Study the following arrangement carefully and answer the questions given below—**

**C ? 1 K X 6 U 3 ★ 9 5 $ R + Z 4 @ G A T # E 7 S © 3**

**Q1. How many such prime numbers are there in the given arrangement each of which is immediately followed by a symbol and preceded by a consonant?**

(a) None

(b) One

(c) Two

(d) Three

(e) More than three

**Q2. If the places of the those symbols which are immediately followed by numbers are interchanged with those of the numbers in the given arrangement then which of the following will be the eleventh from the right end?**

(a) G

(b) @

(c) 4

(d) Z

(e) None of these

**Q3. Which of the following is the seventh letter to the left of ©?**

(a) U

(b) Z

(c) R

(d) X

(e) None of these

**Q4. What should come in place of the question mark (?) in the following series based on the above arrangement?**

1 6 X , 3 5 9, R 4 Z, ?

(a) @ T A

(b) 4 A G

(c) G E #

(d) G # T

(e) None of these

**Q5. If the symbols and numbers are dropped from the given arrangement and then the letters are rearranged in alphabetical order which of the following will be the sixth from the left end?**

(a) C

(b) S

(c) Z

(d) A

(e) None of these.

**Solutions (1-5):**

**S1. Ans.(a)**

**Sol.**There is no such combination.

**S2. Ans.(c)**

**Sol**. According to condition answer will be 4.

**S3. Ans.(c)**

**Sol**. The seventh letter to the left of © is R.

**S4. Ans.(d)**

**Sol**. G#T

**S5. Ans.(e)**

**Sol.**The letter will be R.

**Directions (6-10): Study the following elements (letters, digits and symbols sequence) to answer the questions given below:**

**A B 7 C D 9 Z Y ⋆ P 2 M © K S 3 ↑ 5 N T @**

Note: ‘A’ is to the left of ‘B’ and ‘@’ is to the right of ‘T’.

**Q6. If each symbol of the above sequence is replaced with a letter and each digit is replaced with a new symbol, then how many letters will be there in the sequence?**

(a) 16

(b) 17

(c) 4

(d) 12

(e) None of these

**Q7. How many such digits are there in the sequence each of which is immediately preceded as well as followed by letters ?**

(a) None

(b) One

(c) Two

(d) Three

(e) None of these

**Q8. Which of the following letters is exactly midway between the letters falling between ‘C’ and ‘5’?**

(a) Y

(b) K

(c) P

(d) M

(e) None of these

**Q9. If each symbol of the above sequence is replaced with the digits from ‘1’ to ‘9’ which are not there in the sequence, then what will be the sum of all digits ? [Each symbol should be replaced with a different digit.]**

(a) 19

(b) 45

(c) 55

(d) 60

(e) None of these

**Q10. How many letters to the left of the one who is 3rd right of S?**

(a) 8

(b) 10

(c) 7

(d) 15

(e) 14

**Solutions (6-10):**

**S6. Ans.(a)**

**Sol.**There are 21 elements in the series. Among them, there are only 5 digits. Since symbols are replaced by letters and digits are replaced by symbols, ultimately there will be (21 – 5 =) 16 letters in the series.

**S7. Ans.(d)**

**Sol**. A B 7 C D 9 Z Y ⋆ P 2 M © K S 3 ↑ 5 N T @

**S8. Ans.(c)**

**Sol**. The letters falling between C and 5 are as follows:

DZYPMKS. Hence, P is the required letter.

**S10. Ans.(b)**

**Sol.**There is only 10 letters to the left of 5 that is the 3rd right of S.

**Directions (11-15): These questions are based on the following letter/number/symbol arrangement. Study it carefully and answer the questions.**

**7 D 5 # A B 1 % K $ 4 E J F €★2 H I @ L 6 Q U © 9 M T 8 W**

**Q11. How many such symbols are there in the above arrangement each of which is immediately preceded by a vowel and also immediately followed by a number?**

(a) None

(b) One

(c) Two

(d) Three

(e) Four

**Q12. Four of the following five are alike in a certain way on the basis of their positions in the above arrangement and so form a group. Which is the one that does not belong to the group?**

(a) K41

(b) ★HF

(c) #B5

(d) M8©

(e) LQI

**Q13. Which of the following pairs of elements has the second element immediately followed by the first element?**

(a) 5#

(b) MT

(c) $4

(d) Q6

(e) @L

**Q14. How many such numbers are there in the above arrangement, each of which is immediately followed by a symbol and also immediately preceded by a consonant?**

(a) None

(b) One

(c) Two

(d) Three

(e) More than three

**Q15. If we replace all the symbols with 9 consecutive natural number from (1-9) and no number is repeated in this alphanumeric series, then what will be the 6th right element of 14th element from right end?**

(a) Q

(b) H

(c) 2

(d) L

(e) None of these

**Solutions (11-15):**

**S11. Ans.(b)**

**Sol**. We have to find vowel-symbol-number combination in the given sequence. © is the only such symbol.

**S12. Ans.(c)**

**Sol.**In all others the third element is the one that is two positions ahead of the first. But 5 immediately precedes #.

**S13. Ans.(d)**

**Sol.**we see that Q comes just after 6 in alpha numeric series.

**S14. Ans.(c)**

**Sol.**We have to find consonant-number-symbol combination in the given sequence. 5, 1 are only such numbers.

**S15. Ans.(a)**

**Sol.**