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Question 591

RRB NTPC 2026• General Intelligence and Reasoning• General Intelligence and Reasoning

Refer to the following letter series and answer the question that follows.

(Left) X P S A D U G L O E J F K I M C R T Q (Right)

How many letters are there in the English alphabetical series between the letter which is fifth from the right end and third from the left end of the series?

  1. AOption (a)

    Seven

  2. BOption (b)

    Four

  3. COption (c)

    Six

  4. DOption (d)

    Five

View answer & explanation

Correct answer

Answer: (d)D.

Five

Why this answer is correct

Logic followed here is.

Logic: Identify the letter at the specified positions within the given letter series, then determine the count of letters between those two identified letters in the standard English alphabetical series.

Given Letter Series:

(Left) X P S A D U G L O E J F K I M C R T Q (Right)

1) Letter which is third from the left end →

1st2nd3rd
XPS

The letter third from the left end is S.

2) Letter which is fifth from the right end →

5th4th3rd2nd1st
MCRTQ

The letter fifth from the right end is M.

3) Count of letters between M and S in the English alphabetical series →

The identified letters are M and S. We need to find how many letters exist between them in the standard alphabet (A to Z).

Positional value of M = 13

Positional value of S = 19

The letters between M and S are: N (14), O (15), P (16), Q (17), and R (18).

Total count = 19 − 13 − 1 = 5.

The correct answer is Five

Question 592

RRB NTPC 2026• General Intelligence and Reasoning• General Intelligence and Reasoning

Each of the digits in the number 3184657 is arranged in ascending order from left to right.

The position(s) of how many digits will remain unchanged as compared to that in the original number?

  1. AOption (a)

    One

  2. BOption (b)

    Two

  3. COption (c)

    None

  4. DOption (d)

    Three

View answer & explanation

Correct answer

Answer: (a)A.

One

Why this answer is correct

Given Number: 3184657

Original Number3184657
Ascending Order1345678

By comparing both sequences, we can see that only the digit 6 remains in the same position.

So, the number of digits whose position remains unchanged is 1.

Hence, the correct answer is 'Option 1'.

Question 593

RRB NTPC 2026• General Intelligence and Reasoning• General Intelligence and Reasoning

Seven boxes, G, H, I, J, L, M and N, are kept one over the other, but not necessarily in the same order.

Box I is kept at the third position from the top. Box N is kept at the third position from the bottom. Only three boxes are kept between N and J. Only three boxes are kept between I and H. Box M is kept at a position somewhere above L.

Which box is kept at the bottom?

  1. AOption (a)

    J

  2. BOption (b)

    L

  3. COption (c)

    H

  4. DOption (d)

    I

View answer & explanation

Correct answer

Answer: (c)C.

H

Why this answer is correct

Given: Seven boxes, G, H, I, J, L, M and N, are kept one over the other, but not necessarily in the same order.

  1. Box I is kept at the third position from the top.
  2. Box N is kept at the third position from the bottom.
  3. Only three boxes are kept between N and J.
PositionBox
7 (Top)J
6
5I
4
3N
2
1 (Bottom)
  1. Only three boxes are kept between I and H.
  2. Box M is kept at a position somewhere above L.

Final Arrangement:

7J
6M/G
5I
4M/G/L
3N
2G/L
1H

Thus, the box kept at the bottom position is H.

Hence, the correct answer is 'Option 3'.

Question 594

RRB NTPC 2026• General Intelligence and Reasoning• General Intelligence and Reasoning

In a certain code language, ‘rest restores energy’ is coded as ‘rk fj mg’ and ‘positive energy attracts’ is coded as ‘tw es fj’.

How is ‘energy’ coded in the given language?

  1. AOption (a)

    fj

  2. BOption (b)

    es

  3. COption (c)

    rk

  4. DOption (d)

    mg

View answer & explanation

Correct answer

Answer: (a)A.

fj

Why this answer is correct

The logic followed here is.

Hence, the correct answer is "option 1"

Question 595

RRB NTPC 2026• General Intelligence and Reasoning• General Intelligence and Reasoning

Refer to the given number series and answer the question that follows. All numbers are single-digit numbers only. Counting to be done from left to right only.

(Left) 3 5 1 5 9 5 3 4 6 4 8 5 1 3 2 9 6 6 6 3 6 8 7 (Right)

How many such odd digits are there, each of which is immediately preceded by an odd digit and also immediately followed by an even digit?

  1. AOption (a)

    Three

  2. BOption (b)

    Four

  3. COption (c)

    Two

  4. DOption (d)

    One

View answer & explanation

Correct answer

Answer: (c)C.

Two

Why this answer is correct

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

Required Conditions : Odd digit - odd digit - even digit 

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

5 3 4 , 1 3 2 

So, the total number of such odd digits that satisfy the condition in the series is: Two

Hence, the correct answer is 'Option 3'.

Question 596

RRB NTPC 2026• General Intelligence and Reasoning• General Intelligence and Reasoning

What should come in place of the question mark (?) in the given series to make it logically complete?

Q18N O23P M28R K33T ?

  1. AOption (a)

    I38V

  2. BOption (b)

    J40U

  3. COption (c)

    J36V

  4. DOption (d)

    I38U

View answer & explanation

Correct answer

Answer: (a)A.

I38V

Why this answer is correct

The logic follows here, 

 

Combining all three parts, the missing term is I38V.

Hence, the correct answer is "option 1".

Question 597

RRB NTPC 2026• General Intelligence and Reasoning• General Intelligence and Reasoning

MKPT is related to QOTX in a certain way based on the English alphabetical order. In the same way, ENSU is related to IRWY.

To which of the following is DHGR related, following the same logic?

  1. AOption (a)

    HDRG

  2. BOption (b)

    FJIT

  3. COption (c)

    HLKV

  4. DOption (d)

    QEIY

View answer & explanation

Correct answer

Answer: (c)C.

HLKV

Why this answer is correct

The logic followed in this pattern is a constant addition of 4 to the positional value of each letter in the English alphabet.

For 'MKPT' related to 'QOTX':

M(13)K(11)P(16)T(20)
+4 ↓+4 ↓+4 ↓+4 ↓
Q(17)O(15)T(20)X(24)

For 'ENSU' related to 'IRWY':

E(5)N(14)S(19)U(21)
+4 ↓+4 ↓+4 ↓+4 ↓
I(9)R(18)W(23)Y(25)

Applying the same logic to 'DHGR':

D(4)H(8)G(7)R(18)
+4 ↓+4 ↓+4 ↓+4 ↓
H(8)L(12)K(11)V(22)

Thus, DHGR is related to HLKV.

Hence, the correct answer is 'Option 3'.

Question 598

RRB NTPC 2026• General Intelligence and Reasoning• General Intelligence and Reasoning

In a certain code language,

A = B means ‘A is the son of B’,

A $ B means ‘A is the sister of B’,

A @ B means ‘A is the wife of B’ and

A * B means ‘A is the father of B’.

How is W related to G if ‘W = F $ K * L @ G’?

  1. AOption (a)

    Wife's father's sister's son

  2. BOption (b)

    Wife's sister's son

  3. COption (c)

    Father's sister's son

  4. DOption (d)

    Sister's son

View answer & explanation

Correct answer

Answer: (a)A.

Wife's father's sister's son

Why this answer is correct

Family Chart:

Let us first decode the given symbols and then draw a family tree.

Symbol=$@*
MeaningSonSisterWifeFather

Given : W = F K × L @ G

Based on the tree, G is the husband of L, whose father is K. F is the sister of K, and W is the son of F. Therefore, W is the Wife's father's sister's son of G.

Hence, the correct answer is 'Option 1'.$

Question 599

RRB NTPC 2026• General Intelligence and Reasoning• General Intelligence and Reasoning

In a certain code language, 'PWEA' is coded as '90' and 'QAMT’ is coded as '102'.

What is the code for 'LJCV' in the given code language?

  1. AOption (a)

    91

  2. BOption (b)

    94

  3. COption (c)

    97

  4. DOption (d)

    86

View answer & explanation

Correct answer

Answer: (b)B.

94

Why this answer is correct

The logic followed here is,

Logic: The code for a word is determined by summing the positional values of its letters in the alphabetical order and then multiplying the sum by 2.

For PWEA is coded as 90 ,

  • Sum of positional values = 16 + 23 + 5 + 1 = 45
  • Code = 45 × 2 = 90

 

For  QAMT is coded as 102,

  • Sum of positional values = 17 + 1 + 13 + 20 = 51
  • Code = 51 × 2 = 102

 

Applying same logic for LJCV:

  • Sum of positional values = 12 + 10 + 3 + 22 = 47
  • Code = 47 × 2 = 94

 

Hence, the correct answer is "option 2".

Question 600

RRB NTPC 2026• General Intelligence and Reasoning• General Intelligence and Reasoning

What should come in place of ‘?’ in the given series?

8 ? 29 50 78 113

  1. AOption (a)

    18

  2. BOption (b)

    14

  3. COption (c)

    15

  4. DOption (d)

    16

View answer & explanation

Correct answer

Answer: (c)C.

15

Why this answer is correct

The logic followed here is:

Logic: The series follows a pattern where each subsequent number is obtained by adding consecutive multiples of 7 to the previous number.

  • 8 + 7 = 15
  • 15 + 14 = 29
  • 29 + 21 = 50
  • 50 + 28 = 78
  • 78 + 35 = 113

The missing number in the series is 15.

Hence, the  correct answer is "option 3"