RRB-NTPC 2021 Mathematics
Practice subject-wise previous year questions
Question 1901
Arithmetic
Some marbles are to be packed in four boxes, A, B, C and D, in the proportion of 6: 3: 7 : 5. If box B has 400 less marbles than box D, then how many marbles are there in total in all the boxes?
A
4000B
4100C
4200D
3900Question 1902
Arithmetic
M, N, O, P, Y and Z 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. Only M lives above N.Z lives immediately below N. Only P lives below O. Who lives on floor numbered 3?
A
ZB
YC
MD
OQuestion 1903
Arithmetic
Based on the English alphabetical order, three of the following letter-cluster pairs are alike in a certain way and thus form a group. Which pair does NOT belong to that group?
A
ACE – BDFB
RTV – SUWC
MOQ – NPRD
GIK – HJL Question 1904
Arithmetic
AB is parallel to CD. A transversal PQ intersects AB and CD at E and F, respectively, and $\angle$PEB = 49°. G is a point between AB and CD such that $\angle$BEG = 35° and $\angle$GFE = 16°. What is the measure of $\angle$EGF?
A
57°B
60°C
59°D
68°Question 1905
Arithmetic
Which event marked the final collapse of the British policy of annexation?
A
Quit India MovementB
Revolt of 1857C
Government of India Act, 1935D
Partition of BengalQuestion 1906
Arithmetic
Two poles of height 12 m and 20 m are fixed to a level ground. The distance between the bottom of the poles is 15 m. What is the distance (in m) between their tops?
A
17B
20C
25D
16Question 1907
Arithmetic
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 that follows the same logic. BEAN - EBAN - BANE MAKE - AMKE - MKEA
A
RACE - RCAE - ECARB
MACK - AMCK - MCKAC
WORK - OWRK - KORWD
NEAR - ENAR - EARNQuestion 1908
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
QR - WXB
LM - RSC
ST - YZD
GH - OMQuestion 1909
Arithmetic
What was the Gross Enrollment Ratio (GER) in higher education in India according to the All India Survey on Higher Education, 2021-22?
A
30.80%B
26.60%C
28.40%D
24.20%Question 1910
Arithmetic
The Great Plateau of India is a part of which ancient landmass?
A
PangaeaB
Gondwana LandC
LaurasiaD
AngaralandQuestion 1911
Arithmetic
What should come in place of the question mark (?) in the given series based on the English alphabetical order? DKR HOV LSZ PWD ?
A
HATB
HTAC
TAHD
THAQuestion 1912
Arithmetic
In Gond painting, what is the purpose of applying 'chhui' clay on the surface?
A
To create a smooth white base for paintingB
To fix cracks on the wallC
To prevent insects from damaging the wallD
To reflect sunlightQuestion 1913
Arithmetic
Arrange the following states in descending order based on the number of seats won by the Bharatiya Janata Party (BJP) in their respective 2024-2021 assembly elections. 1. Delhi 2. Maharashtra 3. Jammu and Kashmir 4. Jharkhand
A
1>2>3>4B
3>2>1>4C
2>1>3>4D
2>3>1>4Question 1914
Arithmetic
If the quadratic equations $4x^2 + bx + 3 = 0$ and $8x^2 + 4x + c = 0$ have both the roots common, find the values for b and c, respectively.
A
6, 2B
2, 6C
4, 2D
2, 4Question 1915
Arithmetic
Which agreement is linked to the Citizenship (Amendment) Act, 1985?
A
Shimla AgreementB
Assam AccordC
Indo-Sri Lanka PactD
Kashmir AgreementQuestion 1916
Arithmetic
The arithmetic mean of the observations 78, 56, 52, 45, 97, 19, 37, 46 and 74 is:
A
56B
64C
61D
48Question 1917
Arithmetic
The Chalukyas of Badami were founded by:
A
Pulakesin IB
Vikramaditya IC
Kirttivarman ID
MangaleshaQuestion 1918
Arithmetic
Which of the following measures the percentage of a country's population living below the poverty line?
A
Unemployment RateB
Human Development IndexC
Gini CoefficientD
Poverty Headcount RatioQuestion 1919
Arithmetic
GN 14 is related to ER 1 in a certain way. In the same way, HP 18 is related to FT 5. To which of the given options is TK 4 related, following the same logic?
A
PW -7B
KJ -13C
RO -9D
TY -11Question 1920
Arithmetic
The shorter side of a rectangle is 16 cm less than the longer side. The numerical value of its area is equal to 3 times the numerical value of its perimeter. What is the length (in cm) of its longer side?
A
14B
25C
19D
24Question 1921
Arithmetic
In Warli painting, which natural material is used in the first step called 'Lipane' to prepare the wall?
A
Rice pasteB
SandC
GeruD
CharcoalQuestion 1922
Arithmetic
The Supreme Court described itself as the "sentinel on the qui vive" in relation to
A
Protection of Fundamental RightsB
Protection of tax lawsC
Protection of foreign policyD
Protection of legislative privilegesQuestion 1923
Arithmetic
Which of the following methods is the quickest way to open an existing MS Excel spreadsheet?
A
Use the Alt + F4 shortcutB
Double-click the .xlsx file in File ExplorerC
Press Ctrl + ND
Open MS Excel and click Blank WorkbookQuestion 1924
Arithmetic
Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only. All numbers are single-digit numbers only. (Left) 9 # 1 * £ 5 2 & % $ 7 & 3 Ω 4 6 @ 8 (Right) How many such symbols are there each of which is immediately preceded by a number and also immediately followed by another symbol?
A
ThreeB
FourC
TwoD
OneQuestion 1925
Arithmetic
A certain number is divided into two parts such that 5 times the first part added to 14 times the second part makes 7 times the whole. The ratio of the second part to the first part is:
A
1:7B
2:7C
7:1D
7:2