JEE Main 2024 B.Arch January 24 (Paper 2A) Question Paper is available here with solutions PDF and detailed solutions for every question. NTA conducted the JEE Main 2024 B.Arch (Paper 2A) exam on January 24, 2024, from 3:00 PM to 6:00 PM (Session 1). The question paper includes the following:

  • 82 questions in a 3-hour paper (77 to be attempted): Part I Mathematics (30), Part II Aptitude Test (50) and Part III Drawing Test (2)
  • Mathematics: 20 multiple choice questions (MCQs) and 10 numerical value questions, of which any 5 are to be attempted; 4 marks each (100 marks)
  • Aptitude Test: 50 MCQs, 4 marks each (200 marks)
  • Drawing Test: 2 drawing questions, 50 marks each (100 marks)
  • Marking: +4 for a correct answer, -1 for an incorrect MCQ or numerical answer, 0 for an unattempted question; maximum marks 400

JEE Main 2024 B.Arch January 24 (Paper 2A) Question Paper with Solution PDF

Also Check:

JEE Main 2024 B.Arch January 24 (Paper 2A) Questions with Solutions


Mathematics (Q1 - Q30)

Question 1:

The domain of the function \(f(x)=\sqrt{4-x^{2}}+\sqrt{2+x}\) is \([a, b]\), then \(a^{2}+3 b^{2}\) is equal to

  • (1) 4
  • (2) 8
  • (3) 12
  • (4) 16

Question 2:

Let \(\mathbb{R}\) denote the set of real numbers, \(\mathbb{Z}\) the set of integers and W the set of Non-negative integers, and define a map
(i) \(f_{1}: \mathbb{Z} \rightarrow \mathbb{Z}\) by \(f_{1}(x)=x^{3}\). Then \(f_{1}\) is one-one and not onto.
(ii) \(f_{2}: \mathbb{R} \rightarrow \mathbb{R}\) by \(f_{2}(x)=x^{3}\). Then \(f_{2}\) is one-one and onto.
(iii) \(f_{3}: \mathbb{Z} \rightarrow\) W by \(f_{3}(x)=|x|\). Then \(f_{3}\) is not one-one but is onto.
(iv) \(f_{4}: \mathbb{Z} \rightarrow \mathbb{Z}\) by \(f_{4}(x)=x^{2}\). Then \(f_{4}\) is neither one-one nor onto.
Then which of the following options is correct?

  • (1) (i), (iii), (iv) are true but (ii) is false
  • (2) All are true
  • (3) (ii), (iii) and (iv) are true but (i) is false
  • (4) (i), (ii) and (iv) are true but (iii) is false

Question 3:

If \(\frac{\sqrt{5+12 i}+\sqrt{5-12 i}}{\sqrt{5+12 i}-\sqrt{5-12 i}}=a+b i\), then \(a-b\) is :

  • (1) \(\frac{5}{6}\)
  • (2) \(-\frac{5}{12}\)
  • (3) \(\frac{3}{2}\)
  • (4) \(\frac{5}{12}\)

Question 4:

Let \(A\) be a \(3 \times 3\) matrix such that \(\operatorname{adj}(A)=\left[\begin{array}{ccc}25 & 0 & 100 \\ 0 & 4 & 3 \\ 0 & 100 & 100\end{array}\right]\), then determinant of \(A\) is

  • (1) 25
  • (2) 50
  • (3) 100
  • (4) 1000

Question 5:

The total number of times the digit 3 will be written when listing integers from 1 to 1000 is

  • (1) 297
  • (2) 243
  • (3) 273
  • (4) 300

Question 6:

The coefficient of \(x^{24}\) in \(\left(1+x^{2}\right)^{12}\left(1+x^{12}\right)\left(1+x^{24}\right)\) is

  • (1) \({ }^{12} C_{6}+3\)
  • (2) \({ }^{12} C_{6}\)
  • (3) \({ }^{12} C_{6}+1\)
  • (4) \({ }^{12} C_{6}+2\)

Question 7:

Sum to \(n\) terms of the series \(\log _{e} a+\log _{e}\left(\frac{a^{2}}{b}\right)+\log _{e}\left(\frac{a^{3}}{b^{2}}\right)+\log _{e}\left(\frac{a^{4}}{b^{3}}\right)+\ldots \ldots \ldots \ldots\) is

  • (1) \(\frac{n}{2}\left[(n+1) \log _{e}\left(\frac{a}{b}\right)-\log _{e} a b\right]\)
  • (2) \(\frac{n}{2}\left[n \log _{e}\left(\frac{a}{b}\right)-\log _{e} a b\right]\)
  • (3) \(\frac{n}{2}\left[\log _{e}\left(\frac{a}{b}\right)+n \log _{e} a b\right]\)
  • (4) \(\frac{n}{2}\left[n \log _{e}\left(\frac{a}{b}\right)+\log _{e} a b\right]\)

Question 8:

If the sum of first 10 terms and first 26 terms of an A.P. are 190 and 1326 respectively, then find the sum of its first 50 terms.

  • (1) 4900
  • (2) 4924
  • (3) 4950
  • (4) 4980

Question 9:

If \(\lim_{x \to 1} \frac{x^{5}-1}{x-1}=\lim_{x \to k} \frac{x^{3}-k^{3}}{x^{2}-k^{2}}\), then \(k\) is equal to

  • (1) \(\frac{5}{3}\)
  • (2) \(\frac{7}{3}\)
  • (3) \(\frac{8}{3}\)
  • (4) \(\frac{10}{3}\)

Question 10:

Let \(f:[0, \pi] \rightarrow \mathbb{R}\) be a function defined by \(f(x)=\begin{cases}x+\sqrt{2}\, a \sin x, & 0 \leq x<\frac{\pi}{4} \\ 2 x \cot x+b, & \frac{\pi}{4} \leq x \leq \frac{\pi}{2} \\ a \cos 2 x-b \sin x, & \frac{\pi}{2}<x \leq \pi\end{cases}\)
If \(f\) is continuous for \(0 \leq x \leq \pi\), then \(a^{2}+140 b^{2}\) is equal to

  • (1) \(0\)
  • (2) \(\pi^{2}\)
  • (3) \(2 \pi^{2}\)
  • (4) \(\frac{\pi^{2}}{2}\)

Question 11:

\(\int \frac{\mathrm{d} x}{\sin ^{2} x \cos ^{2} x}\) is equal to

  • (1) \(\tan x+\cot x+c\)
  • (2) \((\tan x+\cot x)^{2}+c\)
  • (3) \(\tan x-\cot x+c\)
  • (4) \(2(\sec x \tan x-\operatorname{cosec} x \cot x)+c\)

Question 12:

The solution of differential equation \(\left(x+2 y^{3}\right) \frac{d y}{d x}=y\) is

  • (1) \(x=y^{2}+c\)
  • (2) \(y=x^{2}+c\)
  • (3) \(x=y\left(y^{2}+c\right)\)
  • (4) \(y=x\left(x^{2}+c\right)\)

Question 13:

The point diametrically opposite to the point \((-1,1)\) on the circle \(x^{2}+y^{2}-x-4 y+1=0\) is

  • (1) \((-2,5)\)
  • (2) \((2,-5)\)
  • (3) \((0,3)\)
  • (4) \((2,3)\)

Question 14:

The vertices of a triangle \(OAB\) are \((0,0)\), \((a, 0)\) and \((0, b)\) respectively. The distance between its orthocentre and circumcentre is

  • (1) \((a+b)\)
  • (2) \((a-b)\)
  • (3) \(\frac{1}{2} \sqrt{a^{2}+b^{2}}\)
  • (4) \(\frac{1}{2} \sqrt{a^{2}-b^{2}}\)

Question 15:

The shortest distance between the lines \(\vec{r}=(\hat{i}+2 \hat{j}+3 \hat{k})+\lambda(\hat{i}-3 \hat{j}+2 \hat{k})\) and \(\vec{r}=(4 \hat{i}+5 \hat{j}+6 \hat{k})+\mu(2 \hat{i}+3 \hat{j}+\hat{k})\) is :

  • (1) \(\frac{1}{19}\) units
  • (2) \(\sqrt{19}\) units
  • (3) \(\frac{3}{\sqrt{19}}\) units
  • (4) \(\frac{1}{\sqrt{19}}\) units

Question 16:

The projection vector of \(\vec{a}=\hat{i}-3 \hat{j}-3 \hat{k}\) on \(\vec{b}=3 \hat{i}-4 \hat{j}\) is

  • (1) \(\frac{9}{5} \hat{i}-\frac{12}{5} \hat{j}\)
  • (2) \(\frac{3}{\sqrt{19}} \hat{i}-\frac{4}{\sqrt{19}} \hat{j}\)
  • (3) \(\frac{12}{5} \hat{i}-\frac{36}{5} \hat{j}-\frac{36}{5} \hat{k}\)
  • (4) \(9 \hat{i}-12 \hat{j}\)

Question 17:

Given \( |\vec{a}|=|\vec{b}|=1 \) and \( |\vec{a}+\vec{b}|=\sqrt{3} \). If \( \vec{c} \) is a vector such that \( \vec{c}-\vec{a}-2\vec{b}=3(\vec{a}\times\vec{b}) \), then \( \vec{c}\cdot\vec{b} \) is equal to

  • (1) \(-\frac{1}{2}\)
  • (2) \(\frac{1}{2}\)
  • (3) \(\frac{3}{2}\)
  • (4) \(\frac{5}{2}\)

Question 18:

If \( A \) and \( B \) are two events such that \( P(A\cup B)=\frac{5}{8} \) and \( P(A'\cup B')=\frac{3}{4} \), then \( P(A')+P(B')= \)

  • (1) \(\frac{1}{8}\)
  • (2) \(\frac{3}{8}\)
  • (3) \(\frac{9}{8}\)
  • (4) \(\frac{11}{8}\)

Question 19:

The value of \( \sec 15^{\circ}-\sqrt{3}\,\operatorname{cosec} 15^{\circ} \) is

  • (1) \(4\sqrt{2}\)
  • (2) \(3\sqrt{3}\)
  • (3) \(-3\sqrt{3}\)
  • (4) \(-4\sqrt{2}\)

Question 20:

\( \cot^{-1}7+\cot^{-1}8+\cot^{-1}5= \)

  • (1) \(\cot^{-1}2\)
  • (2) \(\cot^{-1}10\)
  • (3) \(\cot^{-1}6\)
  • (4) \(\cot^{-1}4\)

Question 21:

Let \( \alpha \) and \( \beta \) be the roots of the equation \( x^{2}-6x-2=0 \), with \( \alpha>\beta \). If \( a_{n}=\alpha^{n}-\beta^{n} \) for \( n\geq1 \), then the value of \( \frac{a_{10}-2a_{8}}{3a_{9}} \) is equal to ________


Question 22:

If \( \alpha,\beta,\gamma \) are the angles of a triangle, then the value of the determinant \( \begin{vmatrix}\cot\alpha&\cot\beta&\cot\gamma\\1&1&1\\\sin^{2}\alpha&\sin^{2}\beta&\sin^{2}\gamma\end{vmatrix} \) is equal to ________


Question 23:

If \( r^{\text{th}} \) term in the expansion of \( \left(\sqrt[3]{\frac{a}{\sqrt{b}}}+\sqrt{\frac{b}{\sqrt[3]{a}}}\right)^{21} \) contains equal powers of \( a \) and \( b \), then value of \( r \) is ________


Question 24:

If \( y=\tan^{-1}\left(\frac{3x}{1+54x^{2}}\right)+\tan^{-1}\left(\frac{3x}{1+18x^{2}}\right) \), then \( \frac{dy}{dx} \) at \( x=0 \) is ________


Question 25:

The value of \( \int_{1}^{5} f(x)\, dx \), where \( f(x)=|x-1|+|x-2|+|x-3| \) is ________


Question 26:

Let \( y=y(x) \) be the solution of differential equation \( \sin x \frac{dy}{dx}+y\cos x=4x \). If \( y\left(\frac{\pi}{2}\right)=0 \) and \( y\left(-\frac{\pi}{6}\right)=\frac{\alpha}{\beta}\pi^{2} \), where \( \alpha \) and \( \beta \) are co-prime numbers, then value of \( (\alpha+\beta) \) is ________


Question 27:

Let \( L \) denote the line in the \( xy \)-plane with \( x \) and \( y \) intercepts as 2 and 1 respectively. If the image of the point \( (-1,-3) \) in this line is \( \left(\frac{\alpha}{5}, \frac{\beta}{5}\right) \), then \( \alpha+\beta \) is equal to ________


Question 28:

The length of projection of the line segment joining the points \( (1,0,-1) \) and \( (-1,2,2) \) on the plane \( x+3y-5z=6 \) is \( d \), then find \( 70d^{2} \) ________


Question 29:

There are two bags. The first bag contains 3 white and 4 red balls and the second bag contains 4 white and 3 red balls. Two balls are drawn at random from the first bag and are put into the second bag without noticing their colours. Then two balls are drawn from the second bag. If the probability that one ball is white and the other is red is \( \frac{x}{y} \), where \( \frac{x}{y} \) is in the simplest form, then value of \( (2x-y) \) is ________


Question 30:

In a \( \Delta ABC \), \( \angle A=\frac{\pi}{2} \). If \( \tan\frac{B}{2} \) and \( \tan\frac{C}{2} \) are the roots of \( 2x^{2}-bx-c=0 \), then what is the value of \( (b-c)^{3} \) ________ ?


Aptitude Test (Q31 - Q80)

Question 31:

Saturation level of colors represents

  • (1) Distribution
  • (2) Darkness
  • (3) Brilliance
  • (4) Warmth

Question 32:

Which of the following is a shell structure?

  • (1) Millenium dome
  • (2) Stansted airport
  • (3) Bank of China tower
  • (4) Louvre, Museum

Question 33:

Identify the building material represented in the given figure

  • (1) Tile
  • (2) Paving Block
  • (3) Wooden Plank
  • (4) Granite

Question 34:

Before plastering, the surface has to be :

  • (1) Cemented
  • (2) Polished
  • (3) Smooth
  • (4) Rough

Question 35:

Who designed the 'Sydney Opera House'?

  • (1) Jorn Utzon
  • (2) Jan Gehl
  • (3) Bjarke Ingels
  • (4) Henning Lorsen

Question 36:

The design elements which are associated with the sense of touch

  • (1) Pattern, Shape, Form
  • (2) Texture, Shape, Form
  • (3) Shape, Pattern, Texture
  • (4) Form, Pattern, Texture

Question 37:

The First World Environment Day was held in which year?

  • (1) 1973
  • (2) 1976
  • (3) 1978
  • (4) 1970

Question 38:

Elephanta Caves are dedicated to which God?

  • (1) Budha
  • (2) Tirthankar Mahavir
  • (3) Shiva
  • (4) Vishnu

Question 39:

Which one of the following is not a city type?

  • (1) Garden City
  • (2) Linear City
  • (3) Radiant City
  • (4) Stack City

Question 40:

A gigantic chariot with elaborately carved stone wheels, pillars and walls are the characteristics of :

  • (1) Konark Sun temple
  • (2) Golden temple
  • (3) Meenakshi temple
  • (4) Dilwara temple

Question 41:

Who built the Moti Masjid in Red Fort at Delhi?

  • (1) Shah Jahan
  • (2) Aurangzeb
  • (3) Qutub-Ud-Din Aibak
  • (4) Akbar

Question 42:

Spray painting is used to :

  • (1) Get a textured pain
  • (2) Reach high areas
  • (3) Apply paint without touching surface
  • (4) Apply large amount of paint

Question 43:

An escalator looks like which one of the following?

  • (1) Ladder
  • (2) Stair case
  • (3) Ramp
  • (4) Lift

Question 44:

Concrete is a mixture of

  • (1) Cement + Sand + Water
  • (2) Cement + Coarse Aggregate + Fine Aggregate + Water
  • (3) Cement + Water + Brick Bat
  • (4) Cement + Sand + Water + Brick Bat

Question 45:

What type of tile are suitable for air - conditioned rooms and gymnasium?

  • (1) Cork Tile
  • (2) Ceramic Tile
  • (3) Concrete Tile
  • (4) Wooden Tile

Question 46:

Famous Tassel House was designed by

  • (1) Victor Horta
  • (2) Gerrit Rietvelt
  • (3) Mies Van der Rohe
  • (4) Frank Lloyd Wright

Question 47:

Who is the Author of "Toward an Architecture"?

  • (1) Frank Ching
  • (2) Le Corbusier
  • (3) Kevin A. Lynch
  • (4) Frank Wright

Question 48:

Hiroshima Peace Memorial Museum in Japan was designed by :

  • (1) I. M. Pie
  • (2) Tadao Ando
  • (3) Kenzo Tange
  • (4) Kisho Kurokawa

Question 49:

Which of the following is not a principle of Design?

  • (1) Emphasis
  • (2) Focal Point
  • (3) Unity
  • (4) Rhythm

Question 50:

Which of the following software is not used by architects?

  • (1) Staad. Pro
  • (2) 3D Max
  • (3) Revit
  • (4) Sketch Up

Question 51:

Who built the Shalimar Bagh, Srinagar?

  • (1) Bega Begum
  • (2) Akbar
  • (3) Shah Jahan
  • (4) Jahangir

Question 52:

Kanpur, Uttar Pradesh is also known as :

  • (1) The Leather City
  • (2) Wine Capital of India
  • (3) The Orange City
  • (4) City of Nawabs

Question 53:

How the load is transfered from the super structure to sub structure?
A. Beam
B. Slab
C. Foundation
D. Earth
E. column
Choose the correct answer from the options given below:

  • (1) A, B, E, D, C
  • (2) E, A, C, B, D
  • (3) A, B, C, D, E
  • (4) B, A, E, C, D

Question 54:

The Question figure shows the 3D view of an object. Identify the correct view, looking in the direction of Arrow, identify the correct view of the object.

  • (1)
  • (2)
  • (3)
  • (4)

Question 55:

The question figure shows the 3D view of an object. Identify the correct top view amongst the answer figures.

  • (1)
  • (2)
  • (3)
  • (4)

Question 56:

Identify the mirror image of the given word with respect to X-X

  • (1)
  • (2)
  • (3)
  • (4)

Question 57:

When the paper is folded in a given pattern and it is cut at the end. Identify which pattern is formed when the paper is unfold.

  • (1)
  • (2)
  • (3)
  • (4)

Question 58:

Identify the figure which is odd from rest of the figures.

  • (1)
  • (2)
  • (3)
  • (4)

Question 59:

Given below are two statements :
Statement I : Stone masonary is classified into two parts - Random rubble and ashlar masonary.
Statement II : Random Rubble masonary, each stone is cut to uniform size and shape with all sides rectangular so that stones gives perfect joints.
In the light of the above statements, choose the correct answer from the options given below :

  • (1) Both Statement I and Statement II are true
  • (2) Both Statement I and Statement II are false
  • (3) Statement I is true but Statement II is false
  • (4) Statement I is false but Statement II is true

Question 60:

Identify the type of Garden by understanding the elements used in the given picture:

  • (1) Roman Garden
  • (2) Japanese Garden
  • (3) French Garden
  • (4) Chinese Garden

Question 61: Match List I with List II
LIST ILIST II
A.Rila MonasteryI.Egypt
B.Moha Bodhi TempleII.Bulgaria
C.Wadi al HitanIII.Malta
D.VallettaIV.India
Choose the correct answer from the options given below:
  • (1) A-IV, B-III ,C-I ,D-II
  • (2) A-II, B-IV ,C-I ,D-III
  • (3) A-IV, B-I ,C-II ,D-III
  • (4) A-II, B-IV ,C-III ,D-I

Question 62:

Identify the name of the monument :

  • (1) The Pantheon
  • (2) The Cathedral of Pisa
  • (3) The Parthenon
  • (4) Great Temple of Karnak

Question 63:

The question figure shows the 3D view of an object. Identify the correct view, looking in the direction of Arrow :

  • (1)
  • (2)
  • (3)
  • (4)

Question 64:

Identify the correct mirror image of the given figure along X-axis.

  • (1)
  • (2)
  • (3)
  • (4)

Question 65:

Identify the Mirror image of given word

  • (1)
  • (2)
  • (3)
  • (4)

Question 66:

Identify the true mirror image of the figure amongst the answer figures with respect to X-X

  • (1)
  • (2)
  • (3)
  • (4)

Question 67:

Identify the correct figure to complete the sequence :

  • (1)
  • (2)
  • (3)
  • (4)

Question 68:

Complete the number series
10, 30, 68, 130, ________, 350

  • (1) 222
  • (2) 192
  • (3) 220
  • (4) 216

Question 69:

In a clock, the time is 11:35 AM. The clock is so placed that its hour hand is facing North-West. In which direction will be minute hand facing?

  • (1) South-East
  • (2) South-West
  • (3) North-West
  • (4) North-East

Question 70: Match List I with List II
LIST ILIST II
A. BrickI. Dampness Prevention
B. ArchII. Bevelled closer
C. LintelIII. Openings
D. Cavity wallIV. Span

Choose the correct answer from the options given below:
  • (1) A-IV, B-II, C-I, D-III
  • (2) A-II, B-I, C-III, D-IV
  • (3) A-III, B-I, C-II, D-IV
  • (4) A-II, B-IV, C-III, D-I

Question 71: Match List I with List II
LIST I (Buildings)LIST II (Architects)
A. Habital 67I. F. L. Wright
B. Falling WaterII. Moshe Safdi
C. Gherkin TowerIII. Louis Kahn
D. Fisher HouseIV. Norman Foster

Choose the correct answer from the options given below:
  • (1) A-II, B-I, C-IV, D-III
  • (2) A-IV, B-II, C-III, D-I
  • (3) A-IV, B-I, C-II, D-III
  • (4) A-I, B-III, C-IV, D-II

Question 72:

Identify the famous building in the given picture :

  • (1) Mysore Palace
  • (2) Khalsa Heritage Complex
  • (3) Hotel Taj Mahal Palace
  • (4) Victoria Memorial

Question 73:

'LEED' stands for :

  • (1) Leadership in Energy and Environmental Design
  • (2) Leadership in Environmental and Energy Design
  • (3) Leadership in Energy Efficient Design
  • (4) Leadership in Environmental Energy Design

Question 74:

From the given 3D view of an object, identify the most appropriate elevation looking in the direction of the given arrow :

  • (1)
  • (2)
  • (3)
  • (4)

Question 75:

From the given 3D view of an object, identify the most appropriate elevation looking in the direction of the given arrow.

  • (1)
  • (2)
  • (3)
  • (4)

Question 76:

Choose the correct top view of the given 3D image from the options.

  • (1)
  • (2)
  • (3)
  • (4)

Question 77:

Identify the True mirror image of the figure amongst the answer figures with respect to X-X.

  • (1)
  • (2)
  • (3)
  • (4)

Question 78:

Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Green buildings have a lower life cycle cost than conventional buildings.
Reason R : Green buildings require less maintenance and have lower energy and water consumption.
In the light of the above statements, choose the most appropriate answer from the options given below :

  • (1) Both A and R are correct and R is the correct explanation of A
  • (2) Both A and R are correct but R is NOT the correct explanation of A
  • (3) A is correct but R is not correct
  • (4) A is not correct but R is correct

Question 79:

Match List I with List II

Choose the correct answer from the options given below:

  • (1) A-III, B-II, C-IV, D-I
  • (2) A-IV, B-III, C-I, D-II
  • (3) A-III, B-II, C-I, D-IV
  • (4) A-IV, B-I, C-II, D-III

Question 80:

Identify the building material primarily used for cladding in Lotus Temple :

  • (1) Dolomite
  • (2) Lime
  • (3) Marble
  • (4) Granite

Drawing Test (Q81 - Q82)

Question 81:

Draw a proportionate sketch of the image given below in detail. Sketch this using Black and White medium only.


Question 82:

Combine Musical Instruments like Guitar, Microphone (mic), Drums, Tabla, Keyboard, etc. into a 3D Abstract Sculpture, using different colors to represent various Texture and Instruments. You can scale each object to any size of your choice. Apply the effect of light and shadow on your Sculpture.
OR
Considering yourself as one of the spectators, draw a beautiful sketch of a Football stadium where a match is going on.

JEE Main 2024 B.Arch (Paper 2A) Exam Pattern and Marking Scheme

ParticularsDetails
Exam ModeOnline (Computer-Based Test) for Mathematics and Aptitude; Drawing Test on paper
PaperB.Arch (Paper 2A)
Duration3 hours (180 minutes)
Type of QuestionsMultiple Choice Questions (MCQs), numerical value questions and drawing questions
SubjectsMathematics, Aptitude Test, Drawing Test
Total Questions82 questions (77 to be attempted)
Total Marks400 marks
Marking Scheme+4 for correct answer & -1 for incorrect answer; 0 for unattempted