RRB-NTPC 2021 General Awareness

Practice subject-wise previous year questions

Question 2601
GK

Which of the following is NOT the use of baking soda in the kitchen?

A
For food colouring
B
In fire extinguishers
C
As a leavening agent
D
As an ingredient in antacids
Question 2602
GK

Find the value of $(K^2-5)$, if the quadratic equation $2x^2-8x+ K = 0$ has real and equal roots.

A
65
B
59
C
48
D
51
Question 2603
GK

What is the mode of the following data? 41, 55, 45, 48, 40, 47, 41, 47, 54, 44, 49, 48, 53, 54, 50, 53, 41, 46

A
41
B
55
C
48
D
45
Question 2604
GK

Who succeeded Ashoka to the throne?

A
Dasharatha
B
Bindusara
C
Samprati
D
Chandragupta II
Question 2605
GK

What should come in place of the question mark (?) in the given series? 51 87 121 153 183 211 ?

A
237
B
249
C
241
D
253
Question 2606
GK

The Reserve Bank of India has its offices in how many locations in India, as of April 2021?

A
30 locations
B
28 locations
C
34 locations
D
33 locations
Question 2607
GK

Seven people, I, J, K, L, O, P and Q are sitting in a row, facing north. Only two people sit to the left of P. Only three people sit between P and I. Only one person sits between I and O. Q sits to the immediate left of K. J is not an immediate neighbour of I. How many people sit to the right of L?

A
Three
B
One
C
Four
D
Two
Question 2608
GK

Why does the parliamentary system prevent executive despotism?

A
Because the judiciary can override executive decisions without checks
B
Because the Prime Minister has unlimited power
C
Because executive authority is dispersed among a group of ministers accountable to the Parliament
D
Because the military can intervene in governance
Question 2609
GK

A shopkeeper marks the price of an article at ₹3,930. Find the cost price if after allowing a discount of 40% he still gains 20% on the cost price.

A
₹1,899
B
₹1,981
C
₹1,989
D
₹1,965
Question 2610
GK

What is the primary objective of the 'Trinetra' project, developed by IIT Tirupati?

A
To develop a mobile game promoting cybersecurity awareness
B
To create a cybersecurity curriculum for university students
C
To implement AI-driven surveillance systems in schools
D
To establish a national cybersecurity task force
Question 2611
GK

One pipe can fill the tank in 18 minutes while another pipe can empty the completely filled tank in 19 minutes. If both the pipes are operated together on empty tank, how long (in minutes) will it take to fill one-third of the tank?

A
114
B
342
C
456
D
228
Question 2612
GK

The least number which, when diminished by 9, is divisible by 13, 20, 10 and 23 is:

A
5989
B
6035
C
6010
D
6015
Question 2613
GK

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

A
UKQ
B
KUQ
C
UQK
D
KQU
Question 2614
GK

Who holds the position of President of the International Criminal Court (as of April 2021)?

A
Judge Tomoko Akane
B
Judge Karim AA Khan
C
Judge Silvia Fernández de Gurmendi
D
Judge Piotr Hofmański
Question 2615
GK

Daksh travels 445 km at 89 km/hr, the next 495 km at 55 km/hr and the next 250 km at 50 km/hr. What is his average speed (in km/hr) for the whole journey? (Corrected to two decimal places)

A
62.63
B
66.77
C
57.21
D
61.14
Question 2616
GK

In a certain code language, 'FAST' is coded as '2468' and 'SLOW' is coded as '1327'. What is the code for 'S' in the given code language?

A
7
B
6
C
2
D
1
Question 2617
GK

How can a foreigner who has lived in India for 12 years acquire Indian citizenship?

A
By birth
B
By naturalisation
C
By descent
D
By registration
Question 2618
GK

Study the given Venn diagram carefully and answer the question that follows.   The numbers in different sections indicate the number of pieces of furniture. How many chairs are there which are also cupboards but not tables?

A
17
B
19
C
29
D
7
Question 2619
GK

The curved surface area of a cylinder is half of its total surface area. If its height is 102 cm, then find its radius (in cm).

A
103
B
108
C
100
D
102
Question 2620
GK

Which of the following letter-clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pair on the left side of :: is the same as that on the right side of ::? #: ONJ :: VUQ: %

A
# = RQM, % = SRN
B
# = UIM, % = STN
C
# = RIO, % = ASN
D
# = RYM, % = PRN
Question 2621
GK

In most Unix-based operating systems, which command is used to create an empty file if the file does not already exist?

A
cp
B
mkdir
C
touch
D
mkfile
Question 2622
GK

The sum of 6 numbers is 300. Find their average.

A
51
B
49
C
48
D
50
Question 2623
GK

"Swadesh Sevak Home" is related to which of the following national freedom initiatives?

A
Home Rule Movement
B
Ghadar Movement
C
Non-Cooperation Movement
D
Swadeshi Movement
Question 2624
GK

VBDP is related to ZWHK in a certain way based on the English alphabetical order. In the same way, DRLF is related to HMPA. To which of the following is LHTV related, following the same logic?

A
OCWR
B
QBYR
C
QDYP
D
PCXQ
Question 2625
GK

P is a point outside a circle and is 17 cm away from its centre. A secant drawn from the point P intersects the circle at points A and B in such a way that PA = 8 cm and AB = 7 cm, where PB > PA. The radius of the circle is:

A
13 cm
B
12 cm
C
15 cm
D
14 cm