RRB-NTPC 2021 Questions
12 Jun 2021 • Shift 1
95 Questions AvailableTake as Test
Question 1
Arithmetic
If 5 times A's age is added to B's age, the sum is 95 years. If 2.2 times B's age is added to A's age, the sum is 63 years. What is B's age (in years)?
A
22B
21C
25D
19Question 2
Arithmetic
A tap fills a cistern in 14 hours. Another tap empties the full tank in 18 hours. How long (in hours) will it take to fill the tank completely, if the tank is empty and both the taps are open together?
A
63B
64C
65D
66Question 3
Arithmetic
MP 14 is related to LS -1 in a certain way. In the same way, NK 5 is related to MN –10. To which of the given options is SW -1 related, following the same logic?
A
RZ -16B
VW -20C
VC -13D
TR -1Question 4
Arithmetic
The mean and standard deviation of 100 terms are 50 and 3, respectively. The sum of squares of the 100 terms is:
A
2,49,000B
2,50,000C
2,70,000D
2,50,900Question 5
Arithmetic
Nirmal invested ₹1,380 at 3% per annum simple interest in a bank. What amount (in ₹) will he get after 3 years?
A
124.2B
1,404.20C
1,504.20D
224.2Question 6
Arithmetic
Two sets of numbers are given below. In each set of numbers, certain mathematical operation(s) on the first number result(s) in the second number. Similarly, certain mathematical operation(s) on the second number result(s) in the third number and soon. Which of the given options follows the same set of operations as in the given 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 / subtracting /multiplying to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) 5-6-10-20; 12-13-17-34
A
7-8-12-26B
15-16-20 - 30C
17-18-22 - 44D
23-24-28 - 54Question 7
Arithmetic
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 5 7 $ + 8 % # 9 & 6 $ 4 Code H D O A B P B Q Z Y R B U F Conditions: If the first element is a symbol and the last an odd 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? # 8 9 $
A
ZYYUB
UBYZC
ZBYUD
ZBBUQuestion 8
Arithmetic
Which of the following is NOT considered one of the significant cause for the Revolt of 1857?
A
Policy of Doctrine of LapseB
Policies of British favouring sati, female infanticide and widow re-marriageC
Lack of contact between the ruler and the ruledD
Introduction of greased cartridgeQuestion 9
Arithmetic
What should come in place of the question mark (?) in the given series? 61 54 61 47 61 40 61 ?
A
33B
37C
31D
40Question 10
Arithmetic
In a certain code language, 'A+ B' means 'A is the sister of B' 'A - B' means 'A is the brother of B' 'A × 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 + Q'?
A
WifeB
MotherC
SisterD
DaughterQuestion 11
Arithmetic
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
UO-ZGB
BV-GNC
WQ-BID
JD-OWQuestion 12
Arithmetic
If 'P' stands for '÷', 'Q' stands for 'x', 'R' stands for '+' and 'S' stands for '-', then the resultant of which of the following would be 200?
A
64 P 16 S 60 R 32 Q 8B
64 R 16 Q 32 S 60 P 8C
64 Q 16 P 60 R 32 S 8D
64 S 16 R 60 P 32 Q 8Question 13
Arithmetic
Which of the following letter groups should replace # and % so that the same logic and relationship is maintained on both sides? #: TVS :: IKH : %
A
VUT, HKIB
# = IOV, % = WEEC
# = WOZ, % = UQED
# = KNV, % = FXCQuestion 14
Arithmetic
How much will a sum of ₹60,000 become after one year if the interest is compounded half-yearly at 18% per annum compound interest?
A
₹72,166B
₹71,286C
₹71,391D
₹70,471Question 15
Arithmetic
If \(7.4: 3.7 :: 3.7: x\) , then find the value of x.
A
5.27B
6.88C
1.85D
0.58Question 16
Arithmetic
Who signed the Poona Pact of 1932 on behalf of Mahatma Gandhi, as he was imprisoned at the time?
A
Dr. Rajendra PrasadB
Pt. Madan Mohan MalviyaC
Sardar Vallabhbhai PatelD
Jawaharlal NehruQuestion 17
Arithmetic
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 :: ? #: OJR :: QLT : %
A
# = NIQ, % = RMUB
# = NIQ, % = RNUC
# = NIQ, % = RMVD
# = NIR, % = RMUQuestion 18
Arithmetic
In the context of the Panchayati Raj system in India, what does the term 'Village Panchayat' refer to?
A
A block-level committeeB
Local government at the village levelC
A district-level administrative bodyD
An urban municipal corporationQuestion 19
Arithmetic
The average score of 50 students in a class test is 45. Later, it was found that in one instance, a score of 25 was wrongly recorded as 35, and in another instance, a score of 30 was wrongly recorded as 28. Find the actual average score of the class.
A
43.86B
44.56C
44.64D
44.84Question 20
Arithmetic
Under the PM E-DRIVE Scheme, which of the following vehicle categories are NOT eligible for demand incentives?
A
Electric three-wheelers used for personal useB
Electric trucks with valid scrapping certificatesC
Electric two-wheelers with advanced batteriesD
Electric three-wheelers for commercial useQuestion 21
Arithmetic
If 2 is added to each even digit and 1 is subtracted from each odd digit in the number 6193425, how many digits will appear more than once in the new number thus formed?
A
TwoB
ThreeC
NoneD
OneQuestion 22
Arithmetic
What is the maximum percentage of reservation allowed for Economically Weaker Sections (EWS) under the 103 rd Amendment Act, 2019?
A
5%B
13%C
18%D
10%Question 23
Arithmetic
M, N, O, S, T and U live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it, number 2 and so on till the topmost floor is numbered 6. T lives on the topmost floor. Only three people live between T and N. O lives on a floor below N. S lives on an even numbered floor. U lives on an odd numbered floor but not on floor number 5. How many people live between M and N?
A
TwoB
FourC
ThreeD
OneQuestion 24
Arithmetic
In which year did the government notify the New Public Sector Enterprise (PSE) Policy for Atma Nirbhar Bharat, that provides overall guidance on strategic disinvestment, and intends to minimise the presence of Government in PSEs across all sectors of economy?
A
2021B
2021C
2023D
2024Question 25
Arithmetic
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 ::? #: NQP :: HKJ : %
A
# = QTO, % = EEGB
# = YTS, % = EUGC
# = QTS, % = EHGD
# = OMS, % = ERGQuestion 26
Arithmetic
The Ministry of Statistics & Programme Implementation (MoSPI) releases the Index of Industrial Production (IIP) at which of the following time intervals?
A
MonthlyB
QuarterlyC
WeeklyD
Half yearlyQuestion 27
Arithmetic
Who headed the 1915 committee to examine the co-operative movement in India?
A
Sir John SimonB
Lord IrwinC
Lord CurzonD
Sir Edward MaclaganQuestion 28
Arithmetic
A man receives ₹2,580 per month as salary. He saves 45% of his salary every month. His expenditure per month is:
A
₹1,455B
₹1,517C
₹1,419D
₹1,399Question 29
Logical
Why is the discovery of penicillin considered revolutionary in medicine?
A
It treated pain rather than infections.B
It began the antibiotic era.C
It was used for colouring bacteria.D
It was used only in animals.Question 30
Logical
The Michaelis-Menten constant (Km) of an enzyme is defined as:
A
The substrate concentration at which the reaction rate is half of VmaxB
The maximum reaction rate (Vmax)C
The enzyme concentration required for half-maximal catalysisD
The inhibitor concentration that reduces enzyme activity by 50%Question 31
Logical
Rahul marks the price of his article 64% more than its cost price. If he sells the article for ₹59,860 after allowing a discount of 50%, then what will be the cost price (in ₹) of the article?
A
72,999B
73,000C
72,997D
73,001Question 32
Logical
What should come in place of the question mark (?) in the given series? 972 970 966 960 952 ?
A
942B
940C
438D
941Question 33
Logical
In a certain code language, 'PREY' is coded as '6482' and 'YOLK' is coded as '3671'. What is the code for 'Y' in the given code language?
A
3B
6C
1D
2Question 34
Logical
The average of eight numbers is 15. The average of five of these numbers is 18. The average of the remaining three numbers is:
A
12B
11C
9D
10Question 35
Logical
A, B, C, D, E and F live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it, number 2 and so on, till the topmost floor is numbered 6. B lives on an even numbered floor but not 6. The sum of floors on which F and B live is 7. D lives immediately above C. The sum of floors on which B and E live is 3. How many people live below D?
A
3B
2C
1D
4Question 36
Logical
Calculate the volume of the cube having a total surface area of 216 cm 2 .
A
343 cm³B
180 cm³C
216 cm³D
125 cm³Question 37
Logical
Where was the World Sustainable Development Summit (WSDS) held in March 2021?
A
Hyderabad, IndiaB
New Delhi, IndiaC
Bengaluru, IndiaD
Mumbai, IndiaQuestion 38
Logical
How are the Himalayan ranges oriented in Arunachal Pradesh?
A
Southwest to northwestB
North to southC
Northwest to southeastD
East to westQuestion 39
Logical
Which of the following statements about the Delhi High Court's ruling on the 'Right to Be Forgotten' in November 2024 is correct?
A
The judgement rejected the applicability of the 'Right to Be Forgotten' in cases of acquittal or quashed criminal proceedings.B
The Court stated that the right to privacy cannot override public interest in matrimonial cases.C
The Court permitted the petitioner to approach online platforms and search engines to mask their identities.D
The Court ruled that the names of the couple involved in the matrimonial dispute must remain publicly accessible to ensure transparency.Question 40
Logical
What was the category of India as per the Global Hunger Index score in 2024 that shows the severity of hunger in a country?
A
SeriousB
LowC
AlarmingD
ModerateQuestion 41
Logical
Which Indian state receives rainfall from both, the Southwest and Northeast monsoons?
A
Tamil NaduB
GujaratC
MaharashtraD
BiharQuestion 42
Logical
Which city of India is set to establish India's first Integrated Waste Management City-cum-Learning Centre by September 2021, aiming to create a garbage-free environment?
A
KanpurB
GorakhpurC
Moradabad D
AgraQuestion 43
Logical
Town G is to the south of Town H. Town I is to the east of Town H. Town J is to the west of Town I. Town K is to the north of Town J. Town G is to the south-east of Town K. What is the position of Town H with respect to Town J?
A
WestB
NorthC
EastD
SouthQuestion 44
Logical
What is the rank of India in the Climate Change Performance Index 2021 published by German watch, New Climate Institute, and Climate Action Network International?
A
15 thB
10 thC
8 thD
12 thQuestion 45
Logical
Which Article of the Constitution of India states about the directive for the state to secure a social order for the promotion of welfare of the people?
A
Article 39B
Article 40C
Article 38D
Article 37Question 46
Logical
In a quadrilateral ABCD, $\angle A = 53^\circ$ and $\angle B = 46^\circ$. The bisectors of $\angle C$ and $\angle D$ meet at O. What is the measure of $\angle DOC$?
A
60.5°B
44.5°C
49.5°D
46.5°Question 47
Logical
What is the name of the organisation that collaborated with Sterlite Technologies Limited (STL) to test India's first Quantum Key Distribution (QKD) transmission in 2021?
A
Centre for Development of Telematics (C-DOT)B
Centre for Development of Advanced Computing (C-DAC)C
National Institute of Technology (NIT)D
Indian Institute of Technology (IIT)Question 48
Logical
In which of the following Australian cities did the Indian External Affairs Minister inaugurate India's 4th consulate in November 2024?
A
SydneyB
BrisbaneC
PerthD
MelbourneQuestion 49
Logical
Shekhar Kapur received the Padma Bhushan in 2021 for his work in which field?
A
ScienceB
MedicineC
LiteratureD
ArtQuestion 50
Logical
What kind of tools were mainly used by the Harappans?
A
Iron toolsB
Bronze toolsC
Wooden toolsD
Steel toolsQuestion 51
Logical
Where was the 14 th edition of the India-Russia bilateral naval exercise INDRA-2021 conducted?
A
MumbaiB
KochiC
ChennaiD
VisakhapatnamQuestion 52
Logical
In MS Word 2019, if you want to select an entire paragraph quickly, which of the following actions should you perform?
A
Press and hold Alt while clicking the paragraph.B
Right-click and choose 'Paragraph' from the available menu options.C
Triple-click on any word within the paragraph.D
Double-click anywhere in the paragraph.Question 53
Logical
Per capita income is an indicator of economic development. What happened to India's per capita income post 1991 economic reforms?
A
Remained stagnantB
Rose significantlyC
Became negativeD
Declined sharplyQuestion 54
Logical
If 1 is added to each odd digit and 2 is subtracted from each even digit in the number 3678154, what will be difference between the highest and lowest digits in the number thus formed?
A
5B
6C
4D
7Question 55
Logical
The ratio of numbers of girls and boys participating in sports of a school is 1: 5. If the number of girls is 201, determine the number of boys participating in the sports.
A
980B
1005C
1025D
1035Question 56
Logical
If 2 is added to each even digit and 1 is subtracted from each odd digit in the number 571649, what will be the sum of the last three digits from the left in the new number thus formed?
A
14B
24C
18D
22Question 57
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) 2 6 % 2 6 4 € 7 * 9 $ 3 € 6 1 2 @ 8 % € 9 2 (Right) How many such symbols are there each of which is immediately preceded by a number and also immediately followed by a symbol?
A
0B
1C
3D
2Question 58
GK
The median of the observations 93, 38, 12, 55, 70, 98, 60, 49, 53, 11 and 38 is:
A
49B
53C
55D
60Question 59
GK
What happens when you press F5 in MS PowerPoint 2019?
A
Opens the 'Print' dialog boxB
Starts the slide show from the beginningC
Inserts a new slideD
Saves the presentationQuestion 60
GK
Due to decrease in manpower, the production in a factory decreases by 20%. By what percentage should the working hours be increased to restore the original production?
A
40%B
20%C
25%D
80%Question 61
GK
Which element of the MS Excel interface displays the name of the currently active cell or the selected range of cells?
A
The Formula BarB
The Status BarC
The Name BoxD
The RibbonQuestion 62
GK
Find the co-ordinates of the centroid of a triangle whose vertices are A(1, 4), B(7, 8) and C(10, 12).
A
(7,8)B
(6, 8)C
(6, 9)D
(7, 9)Question 63
GK
What should come in place of the question mark (?) in the given series based on the English alphabetical order? YSM CWQ GAU KEY ?
A
OICB
COIC
OCID
CIOQuestion 64
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
SYTB
QWRC
NTOD
LRNQuestion 65
GK
Anaimudi, the highest peak in South India, is located at the tri-junction of which three hill ranges?
A
Mahadeo Hills, Maikala Range, Rajpipla HillsB
Rajmahal Hills, Garo Hills, Khasi HillsC
Nilgiri Hills, Western Ghats, Eastern GhatsD
Annamalai Range, Cardamom Hills, Palani HillsQuestion 66
GK
A ladder leans against a wall, making an angle of 30 ° with the ground. If the ladder is 8m long, what is the height it reaches on the wall?
A
4 mB
6 mC
10 mD
8 mQuestion 67
GK
Find the volume (in cm³) of a hemispherical cap having a radius of 24 cm.
A
9220πB
9208πC
9216πD
9212πQuestion 68
GK
Which of the following cities is located in a rain-shadow region in India?
A
CochinB
GoaC
PuneD
ShillongQuestion 69
GK
Train A running at a speed of 99 km/hr takes 46 seconds to completely cross train B running at 72 km/hr in the opposite direction. The length of train B is 1.5 times the length of train A. Train B crosses a bridge completely in 82 seconds. The length of the bridge (in m) is:
A
426B
424C
369D
329Question 70
GK
Which of the following is NOT a physiographic subdivision of the Northern Plains of India?
A
Tarai TractB
BhangarC
KhadarD
Vindhyan PlateauQuestion 71
GK
Which of the following statements about primary and secondary memory is correct in a computer system?
A
Primary memory is used for long-term storage, while secondary memory is used for temporary storage of data.B
Both primary and secondary memory are directly accessible by the CPU for processing instructions.C
Primary memory is faster but has lower storage capacity, while secondary memory is slower but provides large storage capacity.D
Secondary memory is volatile, meaning data is lost when power is turned off, while primary memory is non-volatile and retains data.Question 72
GK
This question is based on the five, three-digit numbers given below. (Left) 823 664 309 431 175 (Right) (Example- 697 - First digit = 6, second digit = 9 and third digit = 7) (NOTE: All operations to be done from left to right.) What will be the resultant if the first digit of the highest number is added to the third digit of the lowest number?
A
13B
16C
12D
14Question 73
GK
Which of the following accurately describes the function of the 'Spill Range' feature introduced in newer versions of MS Excel?
A
It allows multiple users to simultaneously edit different ranges within the same worksheet.B
It automatically saves the workbook to a cloud location at predefined intervals.C
It dynamically resizes a formula's output range when the formula returns multiple values.D
It restricts data entry within a specific range of cells based on predefined criteria.Question 74
GK
Mr. P starts from Point C and drives 5 km towards the west. He then takes a left turn, drives 6 km, turns left and drives 8 km. He then takes a right turn, drives 2 km, turns left and drives 4 km. He then takes left turn and drives 12 km. He takes a final left turn drives 7 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point C again? (All turns are 90 degree turns only unless specified.)
A
4 km towards the northB
2 km towards the eastC
2 km towards the westD
4 km towards the southQuestion 75
GK
Seven people, D, E, F, G, Q, R and S, are sitting in a row facing north. No one sits to the left of F. Only four people sit between F and D. Only three people sit to the right of Q. G sits to the immediate left of S. E is not an immediate neighbour of Q. Who sits at the rightmost end of the line?
A
EB
SC
DD
FQuestion 76
GK
Who among the following will be the 25 th Chief Justice of India in May 2021?
A
Justice Sudhanshu DhuliaB
Justice Bhushan Ramkrishna GavaiC
Justice Prashant Kumar MishraD
Justice Pamidighantam Sri NarasimhaQuestion 77
GK
D, E, F, G, M, N and O are sitting around a circular table, facing the centre of the table. N sits to the immediate left of D. G sits to the immediate left of E. E sits second to the left of O. F sits third to the left of D. Who sits fourth to the right of M?
A
GB
OC
FD
DQuestion 78
GK
Simplify the given expression. $(5z - 9y)^2 + (9z + 5y)^2 - 81z^2$
A
$30z^2 + 105y^2$B
$25z^2 + 106y^2$C
$16z^2 + 114y^2$D
$15z^2 + 103y^2$Question 79
GK
Adhai Din Ka Jhonpra' in Ajmer was built in the period of which of the following dynasties?
A
Slave DynastyB
Tughlaq dynastyC
Lodhi dynastyD
Khailji dynastyQuestion 80
GK
Three numbers are in the ratio 8 : 2 : 1, and their LCM is 7552. Their HCF is:
A
502B
472C
486D
456Question 81
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 trucks are big. All big are cars. All cars are long. Conclusions: (I) All big are trucks. (II) All cars are big.
A
Only conclusion (II) follows.B
Both conclusions (I) and (II) follow.C
Neither conclusion (I) nor (II) follows.D
Only conclusion (I) follows.Question 82
GK
Which of the following is NOT one of the primary tones used in Vedic chanting?
A
AnudaattaB
UdattaC
SvaritaD
MandrataQuestion 83
GK
In a certain code language, 'NEWS' is coded as '6482' and 'WORK' is coded as '3671'. What is the code for 'W' in the given code language?
A
8B
6C
1D
3Question 84
GK
Lothal was important for __________ during the Indus Valley Civilization.
A
maritime tradeB
spiritual ritualsC
military baseD
copper miningQuestion 85
GK
In the 1892 Indian Councils Act, the British government introduced certain reforms in response to Indian demands. Which of the following was a significant provision of this Act?
A
Establishment of a separate electorate for MuslimsB
Provision for Indian representation in the Imperial Legislative CouncilC
Granting full self-governance to Indian provincesD
Introduction of direct elections for legislative councilsQuestion 86
GK
Each of C, D, E, F, S, T and U has an exam on a different day of a week starting from Monday and ending on Sunday of the same week. No one has an exam before D. Only three people have their exams between D and T. Only one person has the exam between T and S. C has the exam on Wednesday. E has the exam on one of the days after F but on one of the days before U. On which day of the week does E have the exam?
A
MondayB
ThursdayC
SaturdayD
TuesdayQuestion 87
GK
Who among the following won the bronze medal in the men's individual recurve event at the Archery World Cup 2021 Stage 1?
A
Tarundeep RaiB
Atanu DasC
Dhiraj BommadevaraD
Abhishek VermaQuestion 88
GK
If the eight-digit number 32043p88 is divisible by 4, then the maximum value of p is:
A
7B
5C
4D
9Question 89
GK
Which group did iodine belong to in Mendeleev's table?
A
Group VIB
Group VIIC
Group VIIID
Group VQuestion 90
GK
This question is based on the five, three-digit numbers given below. (Left) 983 986 481 941 167 (Right) (Example- 697 - First digit = 6, second digit = 9 and third digit = 7) (NOTE: All operations to be done from left to right.) What will be the resultant if the third digit of the highest number is subtracted from the first digit of the lowest number?
A
-4B
-5C
-2D
-6Question 91
GK
Yash travels 204 km at 68 km/hr, the next 424 km at 53 km/hr and the next 366 km at 61 km/hr. What is his average speed (in km/hr) for the whole journey? (Corrected to two decimal places)
A
67.92B
57.62C
58.47D
65.87Question 92
GK
A shopkeeper expects a gain of 30% on his cost price. If, in a week, his sales proceeds were ₹2,938, what was his profit (in ₹)?
A
680B
676C
678D
679Question 93
GK
Which Article of the Constitution of India prohibits the State from discriminating against the use of wells, tanks and places of public entertainment?
A
Article 15B
Article 18C
Article 17D
Article 16Question 94
GK
What should come in place of the question mark (?) in the given series based on the English alphabetical order? JLO HJM FHK DFI ?
A
BDGB
BEGC
BEHD
BDHQuestion 95
GK
Find a single discount (rounded up to two decimal places) to equal three consecutive discounts of 29%, 28% and 13%.
A
58.85%B
57.27%C
55.53%D
56.92%