RRB NTPC 2025-20-06-2025-2 RRB Question Paper

RRB NTPC 2025 - Graduate Level Question Papers

RRB NTPC 2025-20-06-2025-2 RRB Questions

41.
The mean of a data is 42 and its median is 53. The mode (using empirical relation) of the data is:
A.
169
B.
75
C.
24
D.
100
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ANSWER :
B. 75
42.
What is the median of the following data?
19, 98, 77, 24, 99, 71, 70, 56, 80, 12, 88
A.
71
B.
70.5
C.
72
D.
71.5
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ANSWER :
A. 71
43.
What makes DNA the most abundant genetic material?
A.
Its high mutation rate
B.
Its stable double-helical structure
C.
Its enzymatic roles
D.
Its interaction with proteins
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ANSWER :
B. Its stable double-helical structure
44.
What is the function of the keyboard shortcut Ctrl + F in Windows OS?
A.
It forwards an email message to another recipient.
B.
It checks and corrects spelling errors in text.
C.
It formats content in a document or application.
D.
It opens a search or find feature to locate text or items in files, webpages or applications.
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ANSWER :
D. It opens a search or find feature to locate text or items in files, webpages or applications.
45.
The product of two numbers x and y is 45 and their sum is 14. Find the sum of their cubes.
A.
675
B.
586
C.
854
D.
759
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ANSWER :
C. 854
46.
A boat takes 39 minutes to go 27.9 km upstream. The ratio of the speed of the boat in still water to that of the stream is 9 : 4. How much total time (in hours) will the boat take to go 18.9 km upstream and 51.3 km downstream?
A.
4.3
B.
0.9
C.
2.6
D.
1.9
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ANSWER :
B. 0.9
47.
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.)
A.
RV – XE
B.
DH – IQ
C.
NR – TA
D.
XB – DK
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ANSWER :
B. DH – IQ
48.

A group of numbers and symbols is coded using letter codes as per the codes given below and the conditions that follow. Study the given codes and conditions and answer the question that follows.
Note: If none of the conditions apply, then codes for the respective number/symbol are to be followed directly as given in the table.

Number/symbol $ % & * 2 4 6 @ # 3 + 8 9 7
Code T U P S D F J K Z C V B N M

Conditions:
If the first element is a symbol and the last a number, the codes for these two (the first and the last elements) are to be interchanged.
If the first element is an odd number and the last an even number, the first and last elements are to be coded as ©.
If both second and third elements are perfect cubes, the third element is to be coded as the code for the second element.
What will be the code for the following group?
3 9 8 *

A.

CNNS

B.

CNBS

C.

SNBC

D.

CBBS

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ANSWER :

B. CNBS

49.
The McMahon Line separates India from which country?
A.
China
B.
Nepal
C.
Pakistan
D.
Bhutan
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ANSWER :
A. China
50.
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 to/subtracting from/multiplying with 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
(19, 39, 44)
(13, 27, 32)
A.
(29, 49, 54)
B.
(24, 45, 50)
C.
(11, 23, 28)
D.
(35, 61, 66)
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ANSWER :
C. (11, 23, 28)