RRB-NTPC 2021 General Awareness

Practice subject-wise previous year questions

Question 126
GK

In a certain code language,  A + B means 'A is the mother of B'  A - B means 'A is the brother of B'  A $\times$ B means 'A is the wife of B'  A $\div$ B means 'A is the father of B'  Which of the following means that S is daughter of P?

A
P $\times$ Q + R - S\div T 
B
P $\times$ Q \div R + S - T
C
P $\times$ Q $\div$ R - S + T
D
P - Q $\div$ R $\times$ S + T
Question 127
GK

What was one of the reasons for including Fundamental Duties in the Constitution according to HR Gokhale?

A
To address anti-national activities and subversive agitations
B
To strengthen democracy by balancing rights with duties
C
To create a legal framework for taxes
D
To enhance the rights of citizens
Question 128
GK

$9$ is related to $55$ following a certain logic. Following the same logic, $12$ is related to $73$. To which of the given options is $16$ related, following the same logic?  (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.)

A
$98$
B
$99$
C
$96$
D
$97$
Question 129
GK

Which of the following statements is INCORRECT about the Kumbh Mela?

A
The Kumbh Mela is held in Haridwar on the banks of the Ganges.
B
The Kumbh Mela is held in Nasik on the banks of Godavari.
C
The Kumbh Mela is held in Ujjain on the banks of Narmada.
D
The Kumbh Mela is held in Prayagraj on the banks of the Ganges.
Question 130
GK

Which of the following ratios is greatest?

A
$43:76$
B
$38:51$
C
$22:61$
D
$30:74$
Question 131
GK

India is divided into ________ agroclimatic regions.

A
$12$
B
$15$
C
$14$
D
$11$
Question 132
GK

India shares its land boundaries with seven countries. Which of the following does NOT share a direct land boundary with India?

A
Myanmar
B
Pakistan
C
Bhutan
D
Tajikistan
Question 133
GK

If you have three variables—X, Y and Z—and want to display X vs Y and represent Z through marker size on a chart, which chart type is most appropriate in MS Excel?

A
Area Chart
B
Bubble Chart
C
Scatter Chart
D
Line Chart
Question 134
GK

Who among the following laid the foundation of the Kanva dynasty?

A
Vasudeva
B
Menander
C
Rudradaman
D
Pushyamitra
Question 135
GK

What will come in the place of the question mark (?) in the following equation, if '+' and '-' are interchanged and '$\times$' and '$\div$' are interchanged?  $60 + 15 \div 3 - 10 \times 2 = ?$

A
$21$
B
$20$
C
$22$
D
$19$
Question 136
GK

The Third United Nations Conference on Landlocked Developing Countries (LLDC3) opened on $5$ August $2021$ in which country?

A
Uzbekistan 
B
Kazakhstan
C
Kyrgyzstan
D
Turkmenistan
Question 137
GK

A jacket is marked at ₹4,000. During a festive sale, it is given two successive discounts of 32% and 22%. What is the final price after both discounts, and what is the effective percentage discount?

A
₹1,840 ; 54%
B
₹2,352.2 ; 44.23%
C
₹1,820 ; 49%
D
₹2,121.6 ; 46.96%
Question 138
GK

The average runs scored by a batsman in 23 matches is 41. In the next 10 matches, the batsman scored an average of 16 runs. Find his average runs scored (rounded off to two decimal places) in all the 33 matches.

A
34.42
B
33.42
C
35.42
D
32.42
Question 139
GK

In covering a distance of 150 km, Pranay takes 2 hours more than Aman. If Pranay doubles his speed, then he would take 3 hours less than Aman. Pranay's speed is:

A
6 km/hr
B
11 km/hr
C
15 km/hr
D
20 km/hr
Question 140
GK

Find the simple interest (in ₹) on ₹4,000 at 6.75% per annum rate of interest deposited on 25 February 2024 and withdrawn on 26 April 2024.

A
₹44
B
₹43
C
₹45
D
₹46
Question 141
GK

Sanjana, Kartik and Deepa invested ₹1,050, ₹1,320 and ₹1,730, respectively to start a business. If the profit at the end of the year is ₹1,230, what is Deepa's share of the profit?

A
₹516
B
₹519
C
₹517
D
₹520
Question 142
GK

What is the median of the following data? 76, 35, 42, 49, 95, 21, 68, 41, 20, 27, 17

A
42
B
41.5
C
41
D
40.5
Question 143
GK

If 2 is added to each odd digit and 1 is subtracted from each even digit in the number 8354671, then how many digits will appear more than once in the new number thus formed?

A
One
B
Two
C
None
D
Three
Question 144
GK

In the following triads, each group of letters is related to the subsequent one following a certain logic. Select from the given options, the one which follows the same logic. NEST - ESNT - TSEN GONE - ONGE - ENOG

A
LIES - IELS - SEIL
B
MAST - AMST - TASM
C
COPE - OPCE - OPEC
D
SING - SNIG - GNIS
Question 145
GK

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? ICV 16 LGS 5 OKP -6 ROM -17 ?

A
SJD -21
B
UHT -21
C
USJ -28
D
JUD -20
Question 146
GK

Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. (Left) ? > @ ^ @ \ ? + $6 7 \ 1 & @ 1 4 2 2 % 9 (Right) How many such numbers are there, each of which is immediately preceded by a symbol and also immediately followed by another number?

A
None
B
Two
C
Three
D
One
Question 147
GK

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 teas are bins. No tea is a sock. Conclusions: (I): Some socks are bins. (II): All bins are socks.

A
Both conclusions (I) and (II) follow.
B
Only conclusion (I) follows.
C
Only conclusion (II) follows.
D
Neither conclusion (I) nor (II) follows.
Question 148
GK

Satish starts from Point Y and drives 19 km towards west. He then takes a right turn, drives 10 km. He then turns right and drives 11 km. He takes a final right turn, drives 10 km and stops at Point Z. How far (shortest distance) and towards which direction should he drive in order to reach Point Y again? (All turns are $90^\circ$ turns only unless specified.)

A
7 km towards south
B
5 km towards north
C
6 km towards west
D
8 km towards east
Question 149
GK

Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster 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
HLF
B
MQK
C
KOI
D
FJC
Question 150
GK

T is the daughter of A. A is married to M. M is the son of K. K is married to J. J is the father of D. D is the brother of N. G is the son of N. How is K related to T?

A
Father's mother
B
Mother's brother
C
Father's father
D
Mother's father