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Question 221

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

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete?

GDK 12 NKR 23 URY 34 BYF 45 ?

  1. AOption (a)

    IFM 56

  2. BOption (b)

    KGM 55

  3. COption (c)

    SBU 56

  4. DOption (d)

    JEK 55

View answer & explanation

Correct answer

Answer: (a)A.

IFM 56

Why this answer is correct

The logic follows here, 

The next term is "IFM 56".

Hence, the correct answer is "option 1".

Question 222

RRB NTPC 2026• General Intelligence and Reasoning• General Intelligence and 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 is the one that 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)

    NJK

  2. BOption (b)

    VRT

  3. COption (c)

    TPR

  4. DOption (d)

    PLN

View answer & explanation

Correct answer

Answer: (a)A.

NJK

Why this answer is correct

The logic follows,

NJK,

VRT,

TPR,

PLN,

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

Hence, the correct answer is "Option 1".

Question 223

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

In a certain code language, ‘DOLE’ is coded as ‘7348’ and ‘LEMO’ is coded as ‘2738’. What is the code for ‘M’ in the given code language?

  1. AOption (a)

    2

  2. BOption (b)

    8

  3. COption (c)

    3

  4. DOption (d)

    7

View answer & explanation

Correct answer

Answer: (a)A.

2

Why this answer is correct

The logic follows here, 

Therefore, the letter M corresponds to the digit 2.

Hence, the correct answer is "option 1"

Question 224

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

Tus ranked 56th from the bottom and 51st from the top in his class. How many students are there in his class?

  1. AOption (a)

    108

  2. BOption (b)

    106

  3. COption (c)

    107

  4. DOption (d)

    105

View answer & explanation

Correct answer

Answer: (b)B.

106

Why this answer is correct

The logic follows here, 

Position of Tus from the top = 51st

Position of Tus from the bottom = 56th

Total number of students in the class = (Position from the top + Position from the bottom) − 1

= (51 + 56) − 1

= 107 − 1

= 106

Hence, the correct answer is 'Option 2'.

Question 225

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

In the following triad, each group of letters is related to the subsequent one following a certain logic. Select, from the given options, the one which follows the same logic.

SAID - AISD - DIAS

MODE - ODME - EDOM

  1. AOption (a)

    HOGS - OHGS - SOGH

  2. BOption (b)

    UGLY - GLUY - GLYU

  3. COption (c)

    TONG - ONTG - GNOT

  4. DOption (d)

    MIND - MNID - DNIM

View answer & explanation

Correct answer

Answer: (c)C.

TONG - ONTG - GNOT

Why this answer is correct

The logic follows here, 

For 'SAID - AISD - DIAS':

For 'MODE - ODME - EDOM':

Applying Same logic

'TONG - ONTG - GNOT':

Thus, TONG - ONTG - GNOT follows the correct logic.

Hence, the correct answer is 'Option 3'.

Question 226

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

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

38 55 74 95 118 ?

  1. AOption (a)

    152

  2. BOption (b)

    143

  3. COption (c)

    161

  4. DOption (d)

    155

View answer & explanation

Correct answer

Answer: (b)B.

143

Why this answer is correct

The logic follows here, 

  • 38 + 17 = 55
  • 55 + 19 = 74
  • 74 + 21 = 95
  • 95 + 23 = 118
  • 118 + 25 = 143

 

Pattern: +17, +19, +21, +23, +25 (consecutive odd numbers)

Thus, the missing term in the series is 143.

Hence, the correct answer is 'Option 2';

Question 227

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

Read the given statement(s) and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statement(s).

Statements:

Some fans are cars.

No car is a bus.

Conclusions:

(I) Some fans are buses.

(II) Some cars are fans.

  1. AOption (a)

    Both conclusions (I) and (II) follow

  2. BOption (b)

    Only conclusion (I) follows

  3. COption (c)

    Neither conclusion (I) nor (II) follows

  4. DOption (d)

    Only conclusion (II) follows

View answer & explanation

Correct answer

Answer: (d)D.

Only conclusion (II) follows

Why this answer is correct

The least possible Venn diagram for the given statements is:

(I) Some fans are buses - Does not Follow

There is no direct relation between fans and buses; maybe it is possible but not definite. Hence, it is false.

(II) Some cars are fans **- Follow (**Some fans are cars. Some cars are fans)

Therefore, only conclusion (II) follows.

Hence, the correct answer is "Option 4"

Question 228

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

What should come in place of '?' in the given series based on the English alphabetical order?

TGA WJD ZMG CPJ ?

  1. AOption (a)

    ERL

  2. BOption (b)

    FSM

  3. COption (c)

    GTC

  4. DOption (d)

    DPN

View answer & explanation

Correct answer

Answer: (b)B.

FSM

Why this answer is correct

The logic follows here, 

Combining the letters, we get the term FSM.

Hence, the correct answer is "option 2"

Question 229

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

WT 16 is related to XW -1 in a certain way. In the same way, DE 9 is related to EH -8. To which of the following is NK 19 related, following the same logic?

  1. AOption (a)

    ON 2

  2. BOption (b)

    TY 5

  3. COption (c)

    UY 1

  4. DOption (d)

    NJ 7

View answer & explanation

Correct answer

Answer: (a)A.

ON 2

Why this answer is correct

The logic follows here, 

Applying same logic,

Hence, the correct answer is 'Option 1'.

Question 230

RRB NTPC 2026• General Intelligence and Reasoning• General Intelligence and 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 is the one that 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)

    XU-SY

  2. BOption (b)

    OL-JQ

  3. COption (c)

    UR-PW

  4. DOption (d)

    RO-MT

View answer & explanation

Correct answer

Answer: (a)A.

XU-SY

Why this answer is correct

The logic follows here, 

XU-SY,

OL-JQ,

UR-PW,

RO-MT,

Therefore, the letter-cluster pair that is different from the others is XU-SY.

Hence, the correct answer is "Option 1."