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Question 71

RRB Group D 2026• General Intelligence & Reasoning

This question is based on the five, three-digit numbers given below.

(Left) 700 496 723 316 639 (Right)

(Example- 697 – First digit = 6, second digit = 9 and third digit = 7)

NOTE - All operations to be done from left to right.

What will be the resultant if the second digit of the highest number is subtracted from the third digit of the lowest number?9042

  1. AOption (a)

    4

  2. BOption (b)

    3

  3. COption (c)

    7

  4. DOption (d)

    5

View answer & explanation

Correct answer

Answer: (a)A.

4

Why this answer is correct

The logic followed here is:

Given numbers: 700, 496, 723, 316, 639

Logic: Identify the highest and lowest numbers, extract the required digits, and perform subtraction.

Arranging the numbers:

Highest number = 723

Lowest number = 316

Number TypeNumberRequired Digit PositionDigit
Highest7232nd digit2
Lowest3163rd digit6

Result 6 − 2 = 4

Hence, the correct answer is Option 1.

Question 72

RRB Group D 2026• General Intelligence & Reasoning

This question is based on the five, three-digit numbers given below.

(Left) 431 853 326 139 268 (Right)

(Example- 697 – First digit = 6, second digit = 9 and third digit = 7)

NOTE - All operations to be done from left to right.

What will be the resultant if the third digit of the highest number is added to the second digit of the lowest number?

  1. AOption (a)

    8

  2. BOption (b)

    6

  3. COption (c)

    4

  4. DOption (d)

    9

View answer & explanation

Correct answer

Answer: (b)B.

6

Why this answer is correct

The logic followed here is:

Given numbers: 853, 139

Logic: Identify the highest and lowest numbers, then extract the required digits and compute their sum.

Arranging the numbers:

Highest number = 853

Lowest number = 139

Number TypeNumberRequired Digit PositionDigit
Highest8533rd digit3
Lowest1392nd digit3

Result: 3 + 3 = 6

Hence, the correct answer is Option 2.

Question 73

RRB Group D 2026• General Intelligence & Reasoning

Gyalmu starts from Point A and drives 15 km towards east. He then takes a right turn, drives 16 km, turns right and drives 17 km. He then takes a right turn and drives 18 km. He takes a final right turn, drives 2 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 degree turns only unless specified)

  1. AOption (a)

    2 km to the south

  2. BOption (b)

    4 km to the south

  3. COption (c)

    1 km to the south

  4. DOption (d)

    3 km to the south

View answer & explanation

Correct answer

Answer: (a)A.

2 km to the south

Why this answer is correct

The logic followed here is:

Given:

Gyalmu drives 15 km East

He turns right → 16 km South

He turns right → 17 km West

He turns right → 18 km North

He turns right → 2 km East

So, To reach Point A, he must go 2 km South.

Hence, the correct answer is Option 1.

Question 74

RRB Group D 2026• General Intelligence & Reasoning

All 144 people are standing in a row facing north. Mr. Lkj is 65th from the left end while Mr. Ihg is 8th from the right end. How many people are there between Mr. Lkj and Mr. Ihg?

  1. AOption (a)

    72

  2. BOption (b)

    71

  3. COption (c)

    69

  4. DOption (d)

    70

View answer & explanation

Correct answer

Answer: (b)B.

71

Why this answer is correct

Given:

Total number of people = 144

Mr.Lkj is 65th from the left end

and Mr. Ihg is 8th from the right end.

Number of people between them = 144 − (65 + 8) = 144 − 73 = 71.

So, there are 71 people between Mr. Lkj and Mr. Ihg.

Hence, the correct answer is "Option 2".

Question 75

RRB Group D 2026• General Intelligence & Reasoning

If 1 is added to each even digit and 2 is subtracted from each odd digit in the number 28369475, then how many digits will appear more than once in the new number thus formed?

  1. AOption (a)

    1

  2. BOption (b)

    3

  3. COption (c)

    2

  4. DOption (d)

    4

View answer & explanation

Correct answer

Answer: (b)B.

3

Why this answer is correct

Given number: 28369475

Logic:

If digit is even → add 1

If digit is odd → subtract 2

Original number: 2 8 3 6 9 4 7 5

DigitTypeOperationNew Digit
2Even2 + 13
8Even8 + 19
3Odd3 − 21
6Even6 + 17
9Odd9 − 27
4Even4 + 15
7Odd7 − 25
5Odd5 − 23

New number formed: 39177553

DigitFrequency
32 times
91 time
11 time
72 times
52 times

Digits appearing more than once: 3, 7, 5

Hence, the correct answer is Option 2.

Question 76

RRB Group D 2026• General Intelligence & Reasoning

What should come in place of the question mark (?) in the given series?

42 47 53 60 68 ?6045

  1. AOption (a)

    78

  2. BOption (b)

    77

  3. COption (c)

    79

  4. DOption (d)

    76

View answer & explanation

Correct answer

Answer: (b)B.

77

Why this answer is correct

The logic followed here is:

thus, "77" will replace the question mark in the given series.

Hence, the correct option is "Option 2".

Question 77

RRB Group D 2026• General Intelligence & Reasoning

In a row of 50 students facing North, Meha is 15th from the right end. If Priya is 8th to the left of Meha, what is Priya's position from the left end of the line?

  1. AOption (a)

    27th

  2. BOption (b)

    29th

  3. COption (c)

    26th

  4. DOption (d)

    28th

View answer & explanation

Correct answer

Answer: (d)D.

28th

Why this answer is correct

Given:

Total students = 50

Meha is 15th from the right end,

and Priya is 8 places to the left of Meha.

Priya’s position from the right end = 15 + 8 = 23rd.

Position from the left end = (50 − 23) + 1 = 28.

So, Priya’s position from the left end is 28th.

Hence, the correct answer is "Option 4".

Question 78

RRB Group D 2026• General Intelligence & Reasoning

GUSB is related to LZXV in a certain way based on the English alphabetical order. In the same way, NHIN is related to SMNH. To which of the following is MLKO related, following the same logic?

  1. AOption (a)

    SPQI

  2. BOption (b)

    RPPJ

  3. COption (c)

    RQPI

  4. DOption (d)

    SQQJ

View answer & explanation

Correct answer

Answer: (c)C.

RQPI

Why this answer is correct

The logic followed here is:

For, GUSB → LZXV

For, NHIN → SMNH

Now, applying the same pattern to MLKO:

So, MLKO → RQPI

Hence, the correct answer is Option 3.

Question 79

RRB Group D 2026• General Intelligence & Reasoning

What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?

405 × 5 − 32 + 16 ÷ 6 = ?

  1. AOption (a)

    18

  2. BOption (b)

    16

  3. COption (c)

    17

  4. DOption (d)

    19

View answer & explanation

Correct answer

Answer: (c)C.

17

Why this answer is correct

BODMAS Table: 

Decoding the given information:

Alphabet+−×÷
Meaning−+÷×

Now, replacing the sign from left to right using BODMAS Rule, we get:

⇒ 405 ÷ 5 + 32 − 16 × 6 = ?

⇒ 81 + 32 − 96 = ?

⇒ 81 + 32 = 113

⇒ 113 − 96 = ?

⇒ 17

Hence, the correct option is "Option 3".

Question 80

RRB Group D 2026• General Intelligence & Reasoning

Refer to the following letter series and answer the question.

(Left) C H T M L K N B P G Q D V W R A X Z F Y E S (Right)

How many unique vowels are there in the above series? (Each vowel counted only once regardless of repetition.) 5700

  1. AOption (a)

    Four

  2. BOption (b)

    One

  3. COption (c)

    Two

  4. DOption (d)

    Three

View answer & explanation

Correct answer

Answer: (c)C.

Two

Why this answer is correct

Given: (Left) C H T M L K N B P G Q D V W R A X Z F Y E S (Right)

Now, we identify the distinct vowels (A, E, I, O, U) present in the series.

Each vowel is counted only once, even if repeated.

(Left) C H T M L K N B P G Q D V W R A X Z F Y E S (Right)

Distinct vowels found: A, E

So, total unique vowels = 2

Hence, the correct answer is "Option 3".