RRB NTPC 2025-24-06-2025-1 RRB Question Paper

RRB NTPC 2025-24-06-2025-1 RRB Questions

11.
Which of the following has dimensional formula [M⁰ L⁰ T⁻²]?
A.
Strain
B.
Angular acceleration
C.
Frequency
D.
Angular velocity
ANSWER :
B. Angular acceleration
12.
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: 1 8 6 7 4 # 2 @ &
Code: Y A L B S D E Z C
Conditions:
(i) 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.
(ii) If the first element is an odd number and the last an even number, the first and last elements are to be coded as ©.
(iii) If both second and third elements are perfect squares, the third element is to be coded as the code for the second element.
What will be the code for the following group?
# 6 @ 2
A.
ELDZ
B.
EZLD
C.
ELZD
D.
DZLE
ANSWER :
C. ELZD
13.
Read the given statements 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 conclusion(s) logically follow(s) from the statements.
Statements:
All animals are deer.
All animals are bears.
All animals are cows.
Conclusions:
(I) All deer are cows.
(II) Some cows are bears.
A.
Only conclusion (I) follows.
B.
Both conclusions (I) and (II) follow.
C.
Neither conclusion (I) nor (II) follows.
D.
Only conclusion (II) follows.
ANSWER :
D. Only conclusion (II) follows.
14.
If the fourth proportion to P, 4 and 3 is 6, then find the value of P.
A.
5
B.
4
C.
3
D.
2
ANSWER :
D. 2
15.
In this question, a group of number/symbol is coded using letter codes as per the codes given below and the conditions which follow. The correct combination of codes following the conditions is your answer.
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 9 5 $ & 3 % # 7 + 4 8 6
Code: A C D J F E W Q G P R B U S
Conditions:
(i) 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.
(ii) If the first element is an odd number and the last an even number, the first and last elements are to be coded as ©.
(iii) If both second and third elements are perfect squares, the third element is to be coded as the code for the second element.
What is @9#7 coded as?
A.
ADGP
B.
GPDA
C.
PDGA
D.
PGDA
ANSWER :
C. PDGA
16.

\( \frac{1}{20} \) is what percentage of \( \frac{1}{40} \)?

A.

400%

B.

215%

C.

200%

D.

210%

ANSWER :

C. 200%

17.
The average of 8 numbers is 16. The average of 6 of these numbers is 16. The average of the remaining two numbers is:
A.
17
B.
15
C.
16
D.
18
ANSWER :
C. 16
18.
What will the following PowerShell command in Windows OS do?
Command: Remove-Item C:\Logs -Recurse -Force
A.
Delete only empty folders under C:\Logs
B.
Move the C:\Logs folder to the Recycle Bin
C.
Only delete files, leave folders intact
D.
Delete all files and subfolders inside C:\Logs, including the folder itself
ANSWER :
D. Delete all files and subfolders inside C:\Logs, including the folder itself
19.
Each of the digits in the number 1673459 is arranged in ascending order from left to right. The position(s) of how many digits will remain unchanged as compared to that in the original number?
A.
One
B.
None
C.
Three
D.
Two
ANSWER :
D. Two
20.
Five solid cubes, each of volume 5,92,704 cm³, are joined end to end to form a cuboid. What is the lateral surface area (in cm²) of the cuboid?
A.
84,774
B.
84,898
C.
84,672
D.
84,863
ANSWER :
C. 84,672