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Question 611

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

What should come in place of the question mark (?) in the given series based on the English alphabetical order?

ACE HJL OQS VXZ ?

  1. AOption (a)

    CEG

  2. BOption (b)

    CFF

  3. COption (c)

    CDG

  4. DOption (d)

    CDF

View answer & explanation

Correct answer

Answer: (a)A.

CEG

Why this answer is correct

The logic followed here is:

The missing term in the series is CEG.

Hence, the correct answer is "option 1"

Question 612

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

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

71 68 ? 53 41 26

  1. AOption (a)

    64

  2. BOption (b)

    62

  3. COption (c)

    61

  4. DOption (d)

    63

View answer & explanation

Correct answer

Answer: (b)B.

62

Why this answer is correct

The logic followed here is.

Logic: The pattern of differences observed is: −3, −6, −9, −12, −15.

  • 71 − 3 = 68
  • 68 − 6 = 62
  • 62 − 9 = 53
  • 53 − 12 = 41
  • 41 − 15 = 26

 

Following this logic, the missing number in the series is 62.

Hence, the correct answer is "option 2"

Question 613

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

What will come in place of ‘?’ in the following equation, if ‘+’ and ‘-‘ are interchanged and ‘x’ and ‘÷’ are interchanged?

14 x 2 - 12 ÷ 4 + 8 = ?

  1. AOption (a)

    22

  2. BOption (b)

    47

  3. COption (c)

    18

  4. DOption (d)

    16

View answer & explanation

Correct answer

Answer: (b)B.

47

Why this answer is correct

BODMAS Table: 

The logic followed here is.

The signs are interchanged as follows:

  • + ↔ −
  • × ↔ ÷

 

**Given Equation:**14 × 2 − 12 ÷ 4 + 8 = ?

After interchanging the signs and following BODMAS rule

= 14 ÷ 2 + 12 × 4 − 8 

= 7 + 12 × 4 − 8

= 7 + 48 − 8

= 55 − 8

= 47

Hence, the correct answer is "Option 2".

Question 614

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

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

ROD : UKF

OLF : RHH

  1. AOption (a)

    KFK : NBM

  2. BOption (b)

    JQS : MMV

  3. COption (c)

    UIL : QFO

  4. DOption (d)

    PUD : SRH

View answer & explanation

Correct answer

Answer: (a)A.

KFK : NBM

Why this answer is correct

The logic followed here is:

For ROD : UKF,

For OLF : RHH,

Applying to the same logic , 

Hence, the correct answer is "option 1"

Question 615

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

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

372 321 277 240 210 187 ?

  1. AOption (a)

    173

  2. BOption (b)

    168

  3. COption (c)

    171

  4. DOption (d)

    165

View answer & explanation

Correct answer

Answer: (c)C.

171

Why this answer is correct

The logic followed here is,

Observe the pattern in the differences:

  • 372 − 51 = 321
  • 321 − 44 = 277
  • 277 − 37 = 240
  • 240 − 30 = 210
  • 210 − 23 = 187
  • 187 − 16 = 171

Thus, the missing term in the series is 171.

Hence, the correct answer is 'Option 3';

Question 616

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

In a certain code language, ‘CANE’ is coded as ‘5731’ and ‘RACE’ is coded as ‘7435’. What is the code for ‘R’ in the given code language?

  1. AOption (a)

    3

  2. BOption (b)

    7

  3. COption (c)

    5

  4. DOption (d)

    4

View answer & explanation

Correct answer

Answer: (d)D.

4

Why this answer is correct

The logic follows here, 

Therefore, the code for R is 4.

Hence, the correct answer is "option 4"

Question 617

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 pairs.)

  1. AOption (a)

    YG-RO

  2. BOption (b)

    OW – HF

  3. COption (c)

    AI-TQ

  4. DOption (d)

    SA – LI

View answer & explanation

Correct answer

Answer: (b)B.

OW – HF

Why this answer is correct

The logic followed here is:

YG−RO,

OW − HF,

AI−TQ,

SA − LI,

Therefore, the letter-cluster pair that is different from the others is OW − HF.

Hence, the correct answer is 'Option 2'.

Question 618

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

Each of the digits in the number 7543168 is arranged in ascending order from left to right. What will be the sum of the digits which are second from the left and third from the right in the new number thus formed?

  1. AOption (a)

    9

  2. BOption (b)

    10

  3. COption (c)

    6

  4. DOption (d)

    5

View answer & explanation

Correct answer

Answer: (a)A.

9

Why this answer is correct

Given number: 7 5 4 3 1 6 8 

Ascending order: 1 3 4 5 6 7 8 

Given Number7543168
Ascending Order1345678

 

Left  1 3 4 5 6 7 8  Right 

Addition of the second digit from the left and the third digit from the right is:3 + 6 = 9.

Hence, the correct answer is 'Option 1'.

Question 619

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

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

No box is kept above M. Only two boxes are kept between L and H. Only three boxes are kept between M and H. N is kept immediately above H. Only four boxes are kept between L and I. G is kept at some place above O.

Which box is kept second above G?

  1. AOption (a)

    M

  2. BOption (b)

    H

  3. COption (c)

    O

  4. DOption (d)

    L

View answer & explanation

Correct answer

Answer: (a)A.

M

Why this answer is correct

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

  1. No box is kept above M.
  2. Only three boxes are kept between M and H.
  3. N is kept immediately above H.
PositionBox
7M
6
5
4N
3H
2
1
  1. Only two boxes are kept between L and H.
  2. Only four boxes are kept between L and I.
  3. G is kept at some place above O.

Final Arrangement:

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

Thus, the box kept second above G is M.

Hence, the correct answer is 'Option 1'.

Question 620

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)

    HV - KT

  2. BOption (b)

    YT - BR

  3. COption (c)

    OA - RY

  4. DOption (d)

    SZ - VW

View answer & explanation

Correct answer

Answer: (d)D.

SZ - VW

Why this answer is correct

The logic followed here is:

HV - KT,

YT - BR,

OA - RY,

SZ - VW,

 

This pair does not follow the rule.

Therefore, the letter-cluster pair that is different from the others is SZ - VW.

Hence, the correct answer is 'Option 4'.