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Question 31

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

Study the given diagram carefully and answer the question. The numbers in different sections indicate the number of persons. (NOTE: You have to take the given data to be true even if it seems to be at variance from commonly known facts.)

How many such Teachers are there who are also Dentists but not Surgeons?

  1. AOption (a)

    16

  2. BOption (b)

    29

  3. COption (c)

    14

  4. DOption (d)

    5

View answer & explanation

Correct answer

Answer: (b)B.

29

Why this answer is correct

According to the given Venn diagram:

The shaded area represents teachers are there who are also Dentists but not Surgeons are 29.

Hence, the correct answer is "Option 2".

Question 32

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

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

DIP : GLS

BST : EVW

  1. AOption (a)

    EHL : IFP

  2. BOption (b)

    CIG : FKJ

  3. COption (c)

    TEL : VHP

  4. DOption (d)

    HKD : KNG

View answer & explanation

Correct answer

Answer: (d)D.

HKD : KNG

Why this answer is correct

The logic follows here,

Logic:  Each letter in the first group is shifted forward by 3 positions to form the second group

For 'DIP' related to 'GLS':

D(4)I(9)P(16)
+3 ↓+3 ↓+3 ↓
G(7)L(12)S(19)

For 'BST' related to 'EVW':

B(2)S(19)T(20)
+3 ↓+3 ↓+3 ↓
E(5)V(22)W(23)

Applying the same logic to the options:

Analyzing 'HKD' related to 'KNG':

H(8)K(11)D(4)
+3 ↓+3 ↓+3 ↓
K(11)N(14)G(7)

The pair HKD : KNG perfectly follows the +3 shift pattern observed in the given sets.

Hence, the correct answer is 'Option 4'.

Question 33

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

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

67 70 ? 85 97 112

  1. AOption (a)

    80

  2. BOption (b)

    76

  3. COption (c)

    78

  4. DOption (d)

    82

View answer & explanation

Correct answer

Answer: (b)B.

76

Why this answer is correct

The logic follows here, 

Logic: The sequence of additions is: 3, 6, 9, 12, 15.

  • 67 + 3 = 70
  • 70 + 6 = 76
  • 76 + 9 = 85
  • 85 + 12 = 97
  • 97 + 15 = 112

Therefore, the number that should come in place of the question mark is 76.

Hence, the correct answer is option 2

Question 34

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)

    EH-JB

  2. BOption (b)

    OR-TM

  3. COption (c)

    LO-QJ

  4. DOption (d)

    HK-MF

View answer & explanation

Correct answer

Answer: (a)A.

EH-JB

Why this answer is correct

Positional value Table

The logic followed here is:

Option 1) EH-JB

Option 2) OR-TM

Option 3) LO-QJ

Option 4) HK-MF

The letter-cluster that DOES NOT belong to the group is: EH-JB

Hence, the correct answer is "Option (1)"

Question 35

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

Each of the digits in the number 52178436 is arranged in ascending order from left to right.

What will be the sum of the digits that are third from the left and third from the right in the number thus formed?

  1. AOption (a)

    10

  2. BOption (b)

    8

  3. COption (c)

    11

  4. DOption (d)

    9

View answer & explanation

Correct answer

Answer: (d)D.

9

Why this answer is correct

Given number: 52178436

Arranging the digits of the number 52178436 in ascending order from left to right:

Left  1 2 3 4 5 6 7 8  Right

  • Third from the left = 3
  • Third from the right = 6
  • The sum of these two digits is 3 + 6 = 9.

Hence, the correct answer is "Option 4".

Question 36

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

Seven people, N, V, C, Y, E, F and G, are sitting in a row, facing north.

Only two people sit to the left of V. F sits fourth from the right end. Only two people sit between N and V. E is the immediate neighbour of G and V. Y does not sit to the right of C.

How many people sit between Y and E?

  1. AOption (a)

    Two

  2. BOption (b)

    Four

  3. COption (c)

    Five

  4. DOption (d)

    Three

View answer & explanation

Correct answer

Answer: (a)A.

Two

Why this answer is correct

Given : Seven people, N, V, C, Y, E, F and G, are sitting in a row, facing north.

  1. Only two people sit to the left of V
  2. Only two people sit between N and V
  3. F sits fourth from the right end. 

  1. E is the immediate neighbour of G and V.
  2. Y does not sit to the right of C.

The final arrangement is,

Two people sit between Y and E: V and F

Hence, the correct answer is "Option 1."

Question 37

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?

GDH 66 FCG 61 EBF 56 DAE 51 ?

  1. AOption (a)

    CYC 45

  2. BOption (b)

    CKT 45

  3. COption (c)

    CAC 46

  4. DOption (d)

    CZD 46

View answer & explanation

Correct answer

Answer: (d)D.

CZD 46

Why this answer is correct

The logic followed here is:

Logic: Alphabet (-1) and Number (-5)

qImage644f8f4d6f9d992a4f3a1855

So, 'CZD 46' will replace the question mark in the given series.

Hence, the correct answer is "Option 4".

Question 38

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

Seven boxes, M, N, O, P, Q, R and S, are kept one over the other, but not necessarily in the same order.

No box is kept above O. Only three boxes are kept between O and S. Only one box is kept between Q and M. M is kept immediately above S. Only four boxes are kept between Q and P. R is kept at some place above N.

Which box is kept second below R?

  1. AOption (a)

    S

  2. BOption (b)

    O

  3. COption (c)

    Q

  4. DOption (d)

    N

View answer & explanation

Correct answer

Answer: (a)A.

S

Why this answer is correct

Seven boxes, M, N, O, P, Q, R and S, are kept one over the other, but not necessarily in the same order.

  1. No box is kept above O.
  2. Only three boxes are kept between O and S.
  3. M is kept immediately above S.
  4. Only one box is kept between Q and M.
  5. Only four boxes are kept between Q and P.
  6. R is kept at some place above N.

The Final Arrangement is,

 

7O
6Q
5R
4M
3S
2N
1P

 

The box kept second below R (at position 5) is S (at position 3).

Hence, the correct answer is "Option 1".

Question 39

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

(2, 7, 14)

(3, 16, 48)

  1. AOption (a)

    (8, 6, 56)

  2. BOption (b)

    (5, 3, 15)

  3. COption (c)

    (6, 7, 48)

  4. DOption (d)

    (4, 6, 20)

View answer & explanation

Correct answer

Answer: (b)B.

(5, 3, 15)

Why this answer is correct

The logic followed here is:

Logic: First Number × Second Number = Third Number

For the first set (2, 7, 14)

⇒ 2 × 7 = 14.

For the second set (3, 16, 48)

⇒ 3 × 16 = 48.

Similarly,

In Option 2: (5, 3, 15)

⇒ 5 × 3 = 15.

Hence, the correct answer is 'Option 2'.

Question 40

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

    CEH

  2. BOption (b)

    PRT

  3. COption (c)

    SUW

  4. DOption (d)

    HJL

View answer & explanation

Correct answer

Answer: (a)A.

CEH

Why this answer is correct

The logic followed here is

Logic: The difference between the consecutive letters in each group is +2.

626a871a13e02eef2fcd3cd5 16564998081491

Option 1)  CEH

Option 2) PRT

Option 3) SUW

Option 4) HJL

Thus, out of all options "CEH" is the odd one out.

Hence, the correct answer is 'Option 1'.

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