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Question 21

RRB Technician 2026• General Intelligence & Reasoning

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

IRQ : KPP

MEU : OCT

  1. AOption (a)

    RQN : TOM

  2. BOption (b)

    CMR : EKP

  3. COption (c)

    GRP : IPN

  4. DOption (d)

    FJM : HGL

View answer & explanation

Correct answer

Answer: (a)A.

RQN : TOM

Why this answer is correct

The logic followed in this pattern is a series of alphabetical shifts for each letter in the set.

For 'IRQ' related to 'KPP':

I(9)R(18)Q(17)
+2 ↓−2 ↓−1 ↓
K(11)P(16)P(16)

For 'MEU' related to 'OCT':

M(13)E(5)U(21)
+2 ↓−2 ↓−1 ↓
O(15)C(3)T(20)

Applying the same logic to 'RQN' to find its relation to 'TOM':

R(18)Q(17)N(14)
+2 ↓−2 ↓−1 ↓
T(20)O(15)M(13)

Thus, the pair RQN : TOM follows the same pattern.

Hence, the correct answer is 'Option 1'.

Question 22

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)

    PQV

  2. BOption (b)

    BCH

  3. COption (c)

    IJO

  4. DOption (d)

    FGO

View answer & explanation

Correct answer

Answer: (d)D.

FGO

Why this answer is correct

The logic followed here is based on the difference between the positional values of the letters in the English alphabetical series.

1) PQV

 

2) BCH

 

3) IJO

 

4) FGO

Comparing the patterns observed:

The letter clusters PQV, BCH, and IJO follow a pattern of +1, +5 between their letters.

However, the cluster FGO follows a pattern of +1, +8.

Therefore, FGO is the odd one out from the group.

Hence, the correct answer is "Option 4".

Question 23

RRB Technician 2026• General Intelligence & Reasoning

Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair DOES NOT belong to that group?

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

  1. AOption (a)

    EW – BB

  2. BOption (b)

    KM – HR

  3. COption (c)

    HK – DP

  4. DOption (d)

    QC – NH

View answer & explanation

Correct answer

Answer: (c)C.

HK – DP

Why this answer is correct

The logic followed here is

Logic: The first letter of the cluster is decreased by 3 and the second letter of the cluster is increased by 5 in alphabetical order to obtain the second cluster.

Option 1)  EW - BB,

Option 2) KM - HR,

Option 3) HK - DP

In this pair, the first letter is decreased by 4 instead of 3. This pair does not follow the rule.

Option 4) QC - NH,

Therefore, the letter-cluster pair that is different from the others is HK - DP.

Hence, the correct answer is 'Option 3'.

Question 24

RRB Technician 2026• General Intelligence & Reasoning

Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster DOES NOT belong to that group?

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

  1. AOption (a)

    ILJ

  2. BOption (b)

    EHF

  3. COption (c)

    YTW

  4. DOption (d)

    JMK

View answer & explanation

Correct answer

Answer: (c)C.

YTW

Why this answer is correct

Logic followed here is.

Logic: The difference between the positional values of the first and second letters is +3, and the difference between the second and third letters is −2.

1) ILJ:

2) EHF:

 

3) YTW:

Pattern is −5, +3, which is different from others.

 

4) JMK:

The pattern followed in ILJ, EHF, and JMK is (+3, −2), whereas YTW follows (−5, +3).

Therefore, the odd cluster is YTW.

Hence, the correct answer is "Option 3".

Question 25

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

How many such digits are there each of which is immediately preceded by a perfect square and immediately followed by an odd digit? (NOTE: 1 is also a perfect square.)

  1. AOption (a)

    Three

  2. BOption (b)

    Two

  3. COption (c)

    Four

  4. DOption (d)

    One

View answer & explanation

Correct answer

Answer: (c)C.

Four

Why this answer is correct

Given Series:

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

Required pattern:

Perfect Square → Digit → Odd Digit

(Perfect Squares: 1, 4, 9)

Checking the series:

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

Digits satisfying the condition:

→ 8 in (4 8 7)

→ 3 in (1 3 7)

→ 8 in (4 8 9)

→ 3 in (4 3 5)

Therefore, there are 4 such digits.

Hence, the correct answer is "Option 3".

Question 26

RRB Technician 2026• General Intelligence & Reasoning

If ‘A’ stands for ‘÷’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘−’, what will come in place of the question mark (?) in the following equation?

2 B 1 D 14 A 2 C 7 = ?

  1. AOption (a)

    2

  2. BOption (b)

    1

  3. COption (c)

    4

  4. DOption (d)

    3

View answer & explanation

Correct answer

Answer: (a)A.

2

Why this answer is correct

Logic followed here is the substitution of letters with mathematical operators and solving the expression using the BODMAS rule.

Operator Mapping Table:

LetterStands for
A÷
B×
C+
D-

 

The given expression is:

2 B 1 D 14 A 2 C 7 = ?

Replacing the letters with their respective mathematical symbols:

= 2 × 1 − 14 ÷ 2 + 7

 

= 2 - 7 + 7

= 2 

Therefore, the value that will come in place of the question mark is 2.

Hence, the correct answer is "Option 1".

Question 27

RRB Technician 2026• General Intelligence & Reasoning

Piyush is the brother of Vidhi. Vidhi is the sister of Kunti. Kunti is the wife of Arjun. Arjun is the father of Abhimanyu. How is Piyush related to Abhimanyu?

  1. AOption (a)

    Father's brother

  2. BOption (b)

    Mother's brother

  3. COption (c)

    Mother's father

  4. DOption (d)

    Father's father

View answer & explanation

Correct answer

Answer: (b)B.

Mother's brother

Why this answer is correct

Given:

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

1) Piyush is the brother of Vidhi.

2) Vidhi is the sister of Kunti.

3) Kunti is the wife of Arjun.

4) Arjun is the father of Abhimanyu.

5) As Kunti is the wife of Arjun and Arjun is the father of Abhimanyu, it implies that Kunti is the mother of Abhimanyu.

Therefore, Piyush is the brother of Kunti, and Kunti is the mother of Abhimanyu → Piyush is the Mother's brother of Abhimanyu.

Hence, the correct answer is 'Option 2'.

Question 28

RRB Technician 2026• General Intelligence & Reasoning

Raju starts from Point A and drives 9 km towards north. He then takes a left turn, drives 8 km, turns left and drives 13 km. He then takes a left turn and drives 11 km. He takes a final left turn, drives 4 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again?

(All turns are 90° turns only unless specified.)

  1. AOption (a)

    3 km to the east

  2. BOption (b)

    4 km to the east

  3. COption (c)

    2 km to the east

  4. DOption (d)

    3 km to the west

View answer & explanation

Correct answer

Answer: (d)D.

3 km to the west

Why this answer is correct

The logic followed here is based on tracing the directional path of Raju to find his final position (Point P) relative to his starting position (Point A).

Step-by-step Movement:

  1. Starting at Point A, Raju drives 9 km North.
  2. He turns left (now facing West) and drives 8 km.
  3. He turns left (now facing South) and drives 13 km.
  4. He turns left (now facing East) and drives 11 km.
  5. He takes a final left turn (now facing North) and drives 4 km to stop at Point P.

 

Therefore, Raju should drive 3 km to the west to reach Point A.

Hence, the correct answer is "Option 4".

Question 29

RRB Technician 2026• General Intelligence & Reasoning

In a certain code language,

A + B means ‘A is the son of B’,

A - B means ‘A is the brother of B’,

A x B means ‘A is the wife of B’, and

A ÷ B means ‘A is the father of B’.

Based on the above, how is Z related to H if 'Z+U-NxC÷H’?

  1. AOption (a)

    Father

  2. BOption (b)

    Mother's brother's Son

  3. COption (c)

    Brother's Son

  4. DOption (d)

    Mother's brother

View answer & explanation

Correct answer

Answer: (b)B.

Mother's brother's Son

Why this answer is correct

Given:

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

A is
Symbol+−×÷
MeaningSonBrotherWifeFather
of B

 

On checking: Z + U − N × C ÷ H

  1. Z + U - 'Z + U' means 'Z is the son of U'.

  2. U − N - 'U − N' means 'U is the brother of N'.

  3. N × C - 'N × C' means 'N is the wife of C'.

  4. C ÷ H - 'C ÷ H' means 'C is the father of H'.

​Therefore, Z is the son of U, who is the brother of H's mother (N) → Z is the Mother's brother's Son of H.

Hence, the correct answer is 'Option 2'.

Question 30

RRB Technician 2026• General Intelligence & Reasoning

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

31 44 52 65 73 ?

  1. AOption (a)

    80

  2. BOption (b)

    82

  3. COption (c)

    84

  4. DOption (d)

    86

View answer & explanation

Correct answer

Answer: (d)D.

86

Why this answer is correct

The logic followed here is:

The given number series follows an alternating addition pattern as explained below:

The given number series is: 31, 44, 52, 65, 73, ?

31→44→52→65→73→86
+13→+8→+13→+8→+13

Thus, the missing term in the series is 86.

Hence, the correct answer is 'Option 4';

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