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Question 421

RRB Technician 2026• General Intelligence & Reasoning

Rajat is the brother of Garima. Garima is the sister of Harish. Harish is the father of Jyoti. Jyoti is the wife of Karan. How is Rajat related to Karan?

  1. AOption (a)

    Wifes mothers brother

  2. BOption (b)

    Wife's mother's father

  3. COption (c)

    Wife's father's brother

  4. DOption (d)

    Wife's father's father

View answer & explanation

Correct answer

Answer: (c)C.

Wife's father's brother

Why this answer is correct

Based on the family relationships described, we can determine the connection between Rajat and Karan by breaking it down step-by-step:

  1. Rajat and Garima: Rajat is the brother of Garima. This establishes them as siblings.

  2. Garima and Harish: Garima is the sister of Harish. This implies that Rajat, Garima, and Harish are all siblings from the same generation.

  3. Harish and Jyoti: Harish is the father of Jyoti. As Rajat is the brother of Harish, Rajat is the paternal uncle of Jyoti.

  4. Jyoti and Karan: Jyoti is the wife of Karan. This means Harish is Karan's father-in-law.

Therefore, Rajat is the brother of Harish, who is the father of Karan's wife Jyoti → Rajat is the Wife's father's brother of Karan.

Hence, the correct answer is 'Option 3'.

Question 422

RRB Technician 2026• General Intelligence & Reasoning

In a certain code language,

P + Q means ‘P is the mother of Q’

P – Q means ‘P is the sister of Q’

P x Q means ‘P is the father of Q’

P ÷ Q means ‘P is the daughter of Q’

Based on the above, how is H related to G if ‘H + S – T x G ÷ P’?

  1. AOption (a)

    Mother’s mother

  2. BOption (b)

    Father’s mother

  3. COption (c)

    Father’s sister

  4. DOption (d)

    Sister

View answer & explanation

Correct answer

Answer: (b)B.

Father’s mother

Why this answer is correct

Given:

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

P is
Symbol+−×÷
MeaningMotherSisterFatherDaughter
of Q

 

On checking the expression: H + S − T × G ÷ P

  1. H + S − 'H + S' means 'H is the mother of S'.

  2. S − T − 'S − T' means 'S is the sister of T'.

  3. T × G − 'T × G' means 'T is the father of G'.

  4. G ÷ P − 'G ÷ P' means 'G is the daughter of P'.

Based on the family tree, H is the mother of T, and T is the father of G. Therefore, H is the Father's mother of G.

Hence, the correct answer is 'Option 2'.

Question 423

RRB Technician 2026• General Intelligence & Reasoning

All 59 people are standing in a row facing North. Mahesh is 20th from the right end, while Kailash is 14th from the left end. How many people are there between Mahesh and Kailash?

  1. AOption (a)

    25

  2. BOption (b)

    26

  3. COption (c)

    24

  4. DOption (d)

    23

View answer & explanation

Correct answer

Answer: (a)A.

25

Why this answer is correct

The logic followed here is:

Total number of people standing in a row = 59

Position of Mahesh from the right end = 20th

Position of Kailash from the left end = 14th

Position of Mahesh from the left end = Total number of people − Position of Mahesh from the right end + 1

= 59 − 20 + 1

= 40

So, Mahesh is 40th from the left end.

Number of people between Mahesh and Kailash = Position of Mahesh from the left − Position of Kailash from the left − 1

= 40 − 14 − 1

= 25

Hence, the correct answer is 'Option 1'.

Question 424

RRB Technician 2026• General Intelligence & Reasoning

Each letter in the word LANDMARK is arranged in alphabetical order. How many letters are there in the English alphabetical order between the letter which is fourth from the left and the one which is second from the right in the new letter cluster thus formed?

  1. AOption (a)

    5

  2. BOption (b)

    2

  3. COption (c)

    3

  4. DOption (d)

    4

View answer & explanation

Correct answer

Answer: (b)B.

2

Why this answer is correct

Given Word:

LANDMARK

Arrange the letters in alphabetical order:

Position12345678
LetterAADKLMNR

Required letters:

  • 4th from the left = K
  • 2nd from the right = N

English alphabetical order:

K L M N

Letters between K and N are:

L, M

Total letters between them = 2.

Hence, the correct answer is "Option 2 (2)".

Question 425

RRB Technician 2026• General Intelligence & Reasoning

Select the pair which follows the same pattern as that followed by the two set of pairs given below. Both pairs follow the same pattern.

CMO : DKP

WKL : XIM

  1. AOption (a)

    GFR : GDR

  2. BOption (b)

    OIY : PGZ

  3. COption (c)

    HFC : HDC

  4. DOption (d)

    DQG : DNH

View answer & explanation

Correct answer

Answer: (b)B.

OIY : PGZ

Why this answer is correct

The logic followed in this pattern is a series of alphabetical shifts applied to each letter of the trio.

For 'CMO' related to 'DKP':

C(3)M(13)O(15)
+1 ↓−2 ↓+1 ↓
D(4)K(11)P(16)

For 'WKL' related to 'XIM':

W(23)K(11)L(12)
+1 ↓−2 ↓+1 ↓
X(24)I(9)M(13)

Applying the same logic to the options, only 'OIY : PGZ' follows this pattern:

O(15)I(9)Y(25)
+1 ↓−2 ↓+1 ↓
P(16)G(7)Z(26)

Thus, OIY is related to PGZ in the same manner.

Hence, the correct answer is 'Option 2'.

Question 426

RRB Technician 2026• General Intelligence & Reasoning

The position(s) of how many letters will remain unchanged if each letter in the word "VISCOMETRY" is arranged in alphabetical order?

  1. AOption (a)

    Four

  2. BOption (b)

    Two

  3. COption (c)

    Three

  4. DOption (d)

    One

View answer & explanation

Correct answer

Answer: (c)C.

Three

Why this answer is correct

Given Word:

VISCOMETRY

Original Positions:

Position12345678910
LetterVISCOMETRY

Arrange the letters in alphabetical order:

Position12345678910
LetterCEIMORSTVY

Comparison:

PositionOriginalNewSame?
1VCNo
2IENo
3SINo
4CMNo
5OOYes
6MRNo
7ESNo
8TTYes
9RVNo
10YYYes

The letters remaining unchanged are:

→ O (Position 5)

→ T (Position 8)

→ Y (Position 10)

Therefore, 3 letters remain unchanged.

Hence, the correct answer is "Option 3".

Question 427

RRB Technician 2026• General Intelligence & Reasoning

Select the set in which the numbers are related in the same way as are the numbers of the following sets.

(Note: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding/subtracting/multiplying to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

(5, 18, 24)

(9, 22, 28)

  1. AOption (a)

    (11, 36, 42)

  2. BOption (b)

    (4, 17, 11)

  3. COption (c)

    (8, 21, 27)

  4. DOption (d)

    (6, 19, 13)

View answer & explanation

Correct answer

Answer: (c)C.

(8, 21, 27)

Why this answer is correct

The logic followed here is:

Logic: Second Number = First Number + 13; Third Number = Second Number + 6

For the first set (5, 18, 24)

⇒ 5 + 13 = 18

⇒ 18 + 6 = 24

For the second set (9, 22, 28)

⇒ 9 + 13 = 22

⇒ 22 + 6 = 28

Applying the same logic to Option 3: (8, 21, 27)

⇒ 8 + 13 = 21

⇒ 21 + 6 = 27

Hence, the correct answer is 'Option 3'.

Question 428

RRB Technician 2026• General Intelligence & Reasoning

Refer to the following series and answer the question (All numbers are single-digit numbers only. Counting is to be done from left to right.)

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

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

  1. AOption (a)

    Two

  2. BOption (b)

    Three

  3. COption (c)

    One

  4. DOption (d)

    Four

View answer & explanation

Correct answer

Answer: (b)B.

Three

Why this answer is correct

Given Series:

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

Required pattern:

Odd Digit → Even Digit → Even Digit

Checking the series:

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

Even digits satisfying the condition:

→ 2 in (5 2 6)

→ 6 in (9 6 7)

→ 8 in (7 8 4)

Therefore, there are 3 such even digits.

Hence, the correct answer is "Option 2".

Question 429

RRB Technician 2026• General Intelligence & Reasoning

Select the pair which follows the same pattern as that followed by the two pairs given below. Both pairs follow the same pattern.

CVT : DXW

OBL : PDO

  1. AOption (a)

    NAU : OCX

  2. BOption (b)

    SKP : TLQ

  3. COption (c)

    HZE : IAG

  4. DOption (d)

    DXG : EZK

View answer & explanation

Correct answer

Answer: (a)A.

NAU : OCX

Why this answer is correct

The logic followed in this pattern is a series of incremental alphabetical shifts applied to each letter of the first term to obtain the second term.

For 'CVT' related to 'DXW':

C(3)V(22)T(20)
+1 ↓+2 ↓+3 ↓
D(4)X(24)W(23)

For 'OBL' related to 'PDO':

O(15)B(2)L(12)
+1 ↓+2 ↓+3 ↓
P(16)D(4)O(15)

Applying the same logic to 'NAU':

N(14)A(1)U(21)
+1 ↓+2 ↓+3 ↓
O(15)C(3)X(24)

Thus, the pair that follows the same pattern is NAU : OCX.

Hence, the correct answer is 'Option 1'.

Question 430

RRB Technician 2026• General Intelligence & Reasoning

Based on the alphabetical order, three of the following four are alike in a certain way and thus form a group. Which is the one that does not belong to that group?

(Note: The odd man out is not based on the number of consonants/vowels or their position in the letter cluster.)

  1. AOption (a)

    NOU

  2. BOption (b)

    GHN

  3. COption (c)

    NOD

  4. DOption (d)

    DEK

View answer & explanation

Correct answer

Answer: (c)C.

NOD

Why this answer is correct

The logic followed here is

Logic: First letter + 1 = Second letter; Second letter + 6 = Third letter.

Option 1) NOU,

Option 2) GHN,

Option 3) NOD

This letter cluster does not follow the rule.

Option 4) DEK,

Therefore, the letter cluster that is different from the others is NOD.

Hence, the correct answer is 'Option 3'.

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