RRB-NTPC 2021 General Awareness

Practice subject-wise previous year questions

Question 3126
GK

Three numbers are in the ratio: 5 ⁄ 20 : 8 ⁄ 16 : 8 ⁄ 14 . The difference between the largest and the smallest number is 54. Find the largest number.

A
97
B
98
C
94
D
96
Question 3127
GK

Which type of wave is primarily formed on a stretched string when plucked or disturbed?

A
Electromagnetic wave
B
Surface wave
C
Torsional wave
D
Transverse wave
Question 3128
GK

Select the triad that follows the same pattern as that followed by the two triads given below. Both triads follow the same pattern. EB-GD-IF BY-DA-FC

A
GD-JF-KH
B
UR-WT-YV
C
PM-RO-SQ
D
KH-MI-OL
Question 3129
GK

Which authority regulates civil aviation infrastructure in India?

A
Ministry of Road Transport and Highways
B
Directorate General of Civil Aviation
C
Airport Authority of India
D
Indian Civil Aviation Forum
Question 3130
GK

In a certain code language, 'A + B' means 'A is the son of B' 'A - B' means 'A is the brother of B' 'A x B' means 'A is the wife of B' 'A ÷ B' means 'A is the father of B' Based on the above, how is M related to Q if 'M + N - O ÷ P x Q'?

A
Wife's Father's Brother's Son
B
Wife's Mother's Sister's Son
C
Wife's Mother's Brother's Son
D
Wife's Father's Sister's Son
Question 3131
GK

The Ramoshis who worked for 'Ramoshi Uprising' were night guards protecting the forts of which community?

A
Rajputs
B
Sikhs
C
Mughals
D
Marathas
Question 3132
GK

A UNESCO World Heritage Site, the Kakatiya Rudreshwara Temple is situated in which of the following states of India?

A
Telangana
B
Gujarat
C
Andhra Pradesh
D
Karnataka
Question 3133
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 :: ? #: DFJ :: LNR: %

A
# = ACG, % = OQP
B
# = BCG, % = OQU
C
# = ACG, % = OQU
D
# = ACG, % = MQU
Question 3134
GK

Select the pair that follows the same pattern as that followed by the two pairs given below. Both pairs follow the same pattern. MGP: NIS SVB: TXE

A
CTR: DVU
B
DNP: CPT
C
DMR: CMP
D
CDP: DUV
Question 3135
GK

A boat takes 76 minutes to go 32.2 km upstream. The ratio of the speed of the boat in still water to that of the stream is 9: 8. How much approximate total time (in hours) will the boat take to go 44.9 km upstream and 57.8 km downstream?

A
1.9 
B
4.3
C
0.2
D
2.2
Question 3136
GK

Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. (NOTE: All numbers are single digit numbers only.) (Left) 6 3 £ $ % 3 $ 9 8 1 8 * % 2 6 € $ £ # 8 & $ (Right) How many such symbols are there each of which is immediately preceded by a number and also immediately followed by a symbol?

A
6
B
4
C
5
D
3
Question 3137
GK

Deficiency of which vitamin in the diet is most commonly linked to poor vision in dim light (night blindness)?

A
Vitamin C
B
Vitamin A
C
Vitamin B12
D
Vitamin D
Question 3138
GK

Find the smallest number by which 2527 must be multiplied to make it a perfect square.

A
21
B
15
C
7
D
19
Question 3139
GK

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series. VDU RGS NJQ? FPM

A
JMP
B
JMN
C
JLN
D
JMO
Question 3140
GK

As per World Bank's State of Social Protection Report 2021, during the COVID-19 pandemic, emergency social protection responses reached how many people in developing countries?

A
4.7 billion
B
1.7 billion
C
3.2 billion
D
2.7 billion
Question 3141
GK

As per the Union Budget 2021-26, the remittance threshold under the Liberalized Remittance Scheme (LRS) was raised from ₹7 lakh to .

A
₹10 lakh
B
₹12 lakh
C
₹11 lakh
D
₹13 lakh
Question 3142
GK

What should come in place of the question mark (?) in the given series? 86 97 73 82 60 67 47 52 ?

A
40
B
34
C
32
D
37
Question 3143
GK

Where do deleted files go by default in Windows OS?

A
They are permanently erased
B
The Cloud
C
The Recycle Bin
D
The Downloads folder
Question 3144
GK

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
XV - FZ
B
BZ - JD
C
HF - PJ
D
YX - GA
Question 3145
GK

Robert, Chris and Jeremy can finish a certain piece of work in 10, 14 and 21 days, respectively. All three of them started the work together. Robert left the work after 5 days and Chris left just 2 days before the work was completed. Find the total number of days taken for the work to be completed.

A
9.5
B
1.7
C
10.9
D
5.4
Question 3146
GK

According to the IMF's January 2021 World Economic Outlook Update, what is the projected global growth rate for 2021?

A
4.0%
B
3.3%
C
3.7%
D
4.8%
Question 3147
GK

What is the Technology & Innovation Sub-Mission (TISM), launched in 2024 as a part of PMAY-U 2.0, related to?

A
It is meant to promote skill certification and labour reforms in the real estate sector through training schemes.
B
It is focused on promoting green building techniques and energy-efficient housing designs across geo-climatic regions.
C
It is intended to facilitate digitisation of urban housing records and streamline approval processes for construction permits.
D
It is introduced to provide housing loans to first-time homebuyers with dynamic interest rates based on income levels.
Question 3148
GK

A right triangle with sides 60 cm, 45 cm and 75 cm is rotated about the side of 60 cm to form a cone. The curved surface area (in cm²) of the cone so formed is:

A
$4505\pi$
B
$3375\pi$
C
$3125\pi$
D
$4500\pi$
Question 3149
GK

A sum when invested at the rate of 12% simple interest per annum, amounts to ₹8,500 after 3 years. The simple interest (in ₹) for the given time period is:

A
2,150
B
2,350
C
2,250
D
2,450
Question 3150
GK

At what rate of interest per annum will a sum of ₹1,000 amount to ₹1,728 in 1 year and 6 months, if the interest is compounded half-yearly?

A
42%
B
22%
C
52%
D
40%