The GATE 2026 Agricultural Engineering (AG) question paper is now available with detailed solutions for free download. GATE 2026 AG was conducted by IIT Guwahati on February 7, 2026, in the forenoon session (9:30 AM to 12:30 PM), and carried 65 questions for 100 marks.
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GATE 2026 Agricultural Engineering Questions with Solutions
Suresh said, "I did it yesterday." Which one of the following options is the correct form of this sentence in indirect speech?
To continue the sequence of tiles shown, the tile indicated by the question mark should be

Consider an art gallery whose walkways are shown as lines in the diagram. A black dot represents a junction of two walkways. A guard may be placed at a junction to watch over the walkways that join at that junction. The minimum number of guards needed to watch all the walkways is ________.

The 2nd of June is a Thursday in a certain year. Which day of the week is the 3rd of July in that year?
A coin with heads facing up is shown as (H) and a coin with tails facing up is shown as (T). Six coins are placed in the Starting Arrangement, as shown below. A "step" is defined as interchanging a pair of adjacent coins without flipping them. The minimum number of steps needed to go from the Starting Arrangement to the Final Arrangement, as shown below, is ________.
Starting Arrangement: (H) (H) (H) (T) (T) (T)
Final Arrangement: (T) (T) (T) (H) (H) (H)
Exacerbate : Mitigate :: ___________
Choose the option with the correct pair of words to fill the blank.
A paper shown in Panel I is folded along the dashed lines (- - -) to construct a cube. The shaded regions shown in Panel I appear on the outer surface of the cube. Referring to cubes shown in Panel II, which one of the options is correct?

In a population, patients who have high cholesterol also have high blood-pressure (BP). Some patients with high BP also have diabetes. There are no patients who have both high cholesterol and diabetes. Furthermore,
1. the total number of patients with at least one of these conditions is 75,
2. the number of patients with high cholesterol is 10,
3. the number of patients with high BP is 45, and
4. the number of patients with only high BP and no other conditions is 20.
Then the number of patients who have both diabetes and high BP is _______
Four people P, Q, R, and S, of different ages, make the following observations.
P: I am younger than S.
Q: I am neither the youngest nor the oldest.
R: P is older than me.
Based on these observations, the youngest person is ______.
Circles \( C_1 \), \( C_2 \), and \( C_3 \), with centers \( O_1 \), \( O_2 \), and \( O_3 \), and radii \( r_1 \), \( r_2 \), and \( r_3 \), respectively, touch each other as shown in the following figure.

Given \( r_1 = 2 \) cm, \( r_2 = 1 \) cm and the angle \( \angle O_1 O_3 O_2 \) is \( 90^{\circ} \), \( r_3 = \) _____ cm.
Identify the following partial differential equations in the given order based on their generic form where \( c \) is a constant, and \( u_1 \) and \( u_2 \) are functions of \( (x, t) \) and \( (x, y) \), respectively:
(i) \[ \frac{\partial^2 u_1}{\partial t^2} = c^2 \frac{\partial^2 u_1}{\partial x^2} \]
(ii) \[ \frac{\partial u_1}{\partial t} = c^2 \frac{\partial^2 u_1}{\partial x^2} \]
(iii) \[ \frac{\partial^2 u_2}{\partial x^2} + \frac{\partial^2 u_2}{\partial y^2} = 0 \]
A box contains one red ball and two blue balls. One ball is drawn at random, its colour is noted and the ball is returned to the box. The process is repeated. In the first two draws, blue ball appears each time. The probability of drawing blue ball again in the third draw is
The general solution to the ordinary differential equation \( \dfrac{d^2y}{dx^2} = \cos 2x \) is
Two square matrices \( \mathbf{A} \) and \( \mathbf{B} \) of the same order are such that \( \det[\mathbf{A} \cdot \mathbf{B}] = -80 \) and \( \det[\mathbf{A}] = 5 \). Here, \( \mathbf{A} \cdot \mathbf{B} \) is the product of \( \mathbf{A} \) and \( \mathbf{B} \). The value of \( \det[\mathbf{B}^T] \) is
Consider the simultaneous equations
\[ 2x + 4y = -7; \quad 3x + 5y = 1 \]
While solving using Gauss elimination without pivoting, after the forward elimination, the diagonal elements of the coefficient matrix are
A plough attachment, which is a miniature plough bottom that cuts a narrow, shallow furrow ahead of the shin and moves trash and roots toward the main furrow so that they are completely covered by the mouldboard, is called as
Fuel property that predominantly governs 'hard / cold starting' in SI engine is P; and the property that predominantly governs 'ignition delay' in CI engine is Q. Identify the correct option for P and Q combination.
A tractor engine delivers 382 N.m brake torque at a rated speed of 2000 rpm. The radiator cooling fan draws 5% of the engine brake power. The fan pushes \(2.8\ \text{m}^3\text{s}^{-1}\) of air against 0.9 kPa static pressure rise. Assuming air as incompressible, and ignoring other losses, the fan efficiency, in %, is nearest to (Take \(\pi = 3.14\))
A 2WD tractor's driving axle experiences total dynamic normal load of 28 kN. The driving wheels have 0.60 m rolling radius. The total driving axle torque measured is 10.7 kN.m. At 18% wheel slip, the coefficient of net traction is 0.35. Tractive efficiency of the driving wheels, in %, is nearest to
The RMS sound pressure is increased by 50%. This increases the sound pressure level, in dB, nearly by
A trapezoidal channel carries \(5\ \text{m}^3\text{s}^{-1}\) of water under uniform flow condition. The channel has a bottom width of 2 m, side slope of 2:1 (horizontal: vertical), and a bed slope of 1%. If the Manning roughness coefficient is 0.03, the conveyance of the channel, in \(\text{m}^3\text{s}^{-1}\), is
In wind erosion, the amount of soil transported varies
When the bed slope of the discharge carrier in a chute spillway changes from steeper to milder, we provide a
A natural colloidal clay, having the characteristics of absorbing water and swelling 8 to 15 times its dry size, used as an efficient and effective sealing material for farm ponds, is
By depth-area-duration (DAD) analysis, the maximum average depth of rainfall over a \(10^{3}\) \(\text{km}^2\) catchment due to a 6-hour storm is 80 mm. For the same storm, the maximum average depth of rainfall for a \(10^{4}\) \(\text{km}^2\) catchment, in mm, is
Dimensionless parameter among the following options is
It is given that the water activity of a food is equal to the relative humidity of the atmosphere that is in equilibrium with the food. The partial pressure of water vapour of the food at a specific temperature is
Air carrying dust particles enters a cyclone separator of 800 mm diameter at a tangential velocity of 30 \(\text{m.s}^{-1}\) near the wall. The average diameter of the dust particles is 100 \(\mu\text{m}\). The separation factor is nearest to (Take \(g = 9.81\) \(\text{m.s}^{-2}\))
A circular mild steel storage bin of 8 m height contains wheat having bulk density of 800 \(\text{kg.m}^{-3}\). The coefficient of static friction between wheat grain and bin wall is 0.40 and hydraulic radius of the bin is 1 m. Equivalent diameter of the bin, in m, is
Specific heat, coefficient of viscosity, and thermal conductivity are related in the
Mechanical model/method NOT related to rheological behaviour of food products is known as
At an initial pressure of 100 kPa, 1 kg air is compressed reversibly from 15 litres to 1 litre at final pressure of 2000 kPa. Neglecting other losses, the Polytropic Exponent (n) is ________. (Rounded off to three decimal places)
A tubewell operating 10 hours per day discharges water at a rate of \(25\ \text{m}^3.\text{h}^{-1}\). The average irrigation depth is 80 mm, and the irrigation interval is 20 days. If the intensity of irrigation is 80%, the culturable command area (in hectares) is ________. (Rounded off to two decimal places)
A tile drainage system having a drainage coefficient of 25 mm drains an area of \(0.2\ \text{km}^2\). The average discharge from the system (in \(\text{m}^3.\text{s}^{-1}\)) is ________. (Rounded off to three decimal places)
The impeller speed of a centrifugal pump is increased by 30%. The power requirement of the pump increases by \(n\) times. The value of \(n\) is ________. (Rounded off to two decimal places)
The value of the integral \(I = \int_0^1\int_0^1 x\cos(xy)\,dx\,dy\) is
The determinant of a \(2 \times 2\) square matrix is 1.6. If the sum of the eigenvalues is \(-2.8\), the eigenvalues are
A flat belt of negligible mass and thickness drives an output pulley of 0.6 m diameter, rotating at 500 rpm without slip. The arc of contact is \(190^{\circ}\) for this pulley, while it is \(170^{\circ}\) for the smaller input pulley. The coefficient of friction between the belt and the pulleys is 0.30. The measured slack side tension is 250 N. Neglecting other losses, the power transmitted by the belt drive, in kW, is nearest to (take \(\pi = 3.14\))
A tractor PTO runs at a constant speed of 540 rpm to drive a rotary tiller through a flange coupling having a shear pin parallel to the shaft. The shear pin axis is located 60 mm from the PTO shaft axis. The allowable shear stress of the pin material is 200 MPa. For overload safety, the pin must fail at 150% of the rated torque to protect the gearbox. The tiller requires 40 kW under normal load at the rated PTO speed. Neglecting bending, stress concentration effects, and other losses, the pin diameter, in mm, is nearest to (take \(\pi = 3.14\))
A small horizontal axis wind turbine (HAWT) is designed to deliver 2 kW shaft power at a steady wind speed of \(7\ \text{m.s}^{-1}\). The HAWT operates with an aerodynamic power coefficient of 0.36, a drivetrain efficiency of 0.90, and an air density of \(1.225\ \text{kg.m}^{-3}\). Neglecting other losses, the required rotor diameter is \(X\) m. When the wind speed drops to \(6\ \text{m.s}^{-1}\), the shaft power is \(Y\) kW. Identify the nearest correct option for the \(X\) and \(Y\) combination (take \(\pi = 3.14\))
The ratio of moisture content on wet basis to moisture content on dry basis for wheat grain is 4:5. The ratio of weight of dry matter to weight of water in the grain is
A refrigeration system based on reverse Carnot cycle operates between \(-30\,^{\circ}\text{C}\) and \(20\,^{\circ}\text{C}\). The refrigeration capacity of the system is 70 kW. Heat rejected at the condenser to atmosphere (hot reservoir), in kW, is nearest to
A 2 mm diameter electric wire is insulated with 2 mm thick plastic. The plastic has a thermal conductivity of \(0.5\ \text{W.m}^{-1}\text{.K}^{-1}\). The wire is exposed to air at 320 K and outside convective heat transfer coefficient is \(25\ \text{W.m}^{-2}\text{.K}^{-1}\). Wire surface temperature is constant at 420 K and remains unaffected by the covering. Assuming steady state heat transfer conditions, the ratio of heat loss per metre of wire length with insulation to that without insulation is nearest to (Take \(\pi = 3.14\))
In grinding of black pepper, 80% feed passes through 6 mm screen, and 80% product passes through 0.5 mm screen. The gross energy required is 10 kW.h per ton of material. Assuming Bond's law holds good, and for the same feed conditions, if 80% product passes through 0.2 mm screen, the energy required, in kW.h per ton of material, is nearest to
A single effect evaporator is used to concentrate orange fruit juice with 2.7:1 concentration ratio of product solid to feed solid. The juice is fed to the evaporator at \(100\ kg.h^{-1}\) and \(30\,^{\circ}\text{C}\), where the product moisture evaporates at \(60\,^{\circ}\text{C}\). The specific heat of juice is \(3.9\ kJ.kg^{-1}.^{\circ}\text{C}^{-1}\). The latent heat of vaporisation at 60 °C is \(2450\ kJ.kg^{-1}\). Heat to accomplish the evaporation, in \(MJ.h^{-1}\), is nearest to
At \(60\,^{\circ}\text{C}\) dry bulb temperature, saturated water vapour pressure is 20 kPa and relative humidity is 20%. The corresponding absolute humidity of air at atmospheric pressure is nearest to (Take molecular weight of water = 18.02 g.mol\(^{-1}\), molecular weight of air = 28.97 g.mol\(^{-1}\), and atmospheric pressure = 101.325 kPa)
Pasteurisation of milk can be carried out either at \(91\,^{\circ}\text{C}\) for 3 s or at \(73\,^{\circ}\text{C}\) for 30 s to inactivate vegetative cells of microorganism(s). The sterilisation value is 10 in both the cases. Thermal death time constant (z value) for reference temperatures of \(73\,^{\circ}\text{C}\) and \(91\,^{\circ}\text{C}\), in \(^{\circ}\text{C}\), is nearest to
Mass fractions of carbohydrate, protein, fat, ash, and water in banana are 0.220, 0.010, 0.005, 0.015, and 0.750, respectively. The density of carbohydrate, protein, fat, ash, and water are 1550, 1220, 900, 610, and 1000 \(kg.m^{-3}\), respectively. The density of banana, in \(kg.m^{-3}\), is nearest to
The following two vectors are adjacent sides of a parallelogram: \(\vec{A} = 2\hat{i} + 3\hat{j} - \hat{k}\) and \(\vec{B} = 5\hat{i} - 4\hat{k}\).
The magnitude of area of the parallelogram is ________ (Rounded off to two decimal places)
While solving the equation \(e^{-x} - x = 0\) for \(x\), using the Newton-Raphson method with initial guess \(x_0 = 2\), the solution after the first iteration (\(x_1\)) is ________ (Rounded off to two decimal places)
A four-cylinder four-stroke engine (100 mm bore and 120 mm stroke) runs at 1800 rpm mean speed with 0.9 MPa indicated mean effective pressure (IMEP).
The flywheel constant (ratio of the energy fluctuation to the indicated work per crankshaft revolution) is 0.30. All other losses are neglected.
For an allowable speed fluctuation of \(\pm 1\%\) about the mean, the required flywheel mass moment of inertia (in \(kg.m^2\)) is ________. (Rounded off to two decimal places)
(Take \(\pi = 3.14\))
A 2WD tractor has to develop 30 kN gross tractive force at the ground. Rolling radius of the rear-wheels is 0.73 m.
Each rear-wheel is driven by a simple planetary final-drive in which sun gear (26 teeth) is input, ring gear (78 teeth) is fixed, and the carrier is bolted to the rear-wheel hub.
The sun-planet external mesh efficiency is 98.5%, while the planet-ring internal mesh efficiency is 99%. Losses upstream of the final-drive are neglected.
The required sun-shaft input torque per rear-wheel (in kN.m) is ________. (Rounded off to two decimal places)
A tractor-mounted boom sprayer carries a horizontal row of 12 identical flat-fan nozzles (spray angle \(110^{\circ}\)). To achieve uniform coverage, the required lateral overlap between adjacent nozzle footprints at the target plane is 30% of a single nozzle footprint. Boom height is 0.60 m above the target plane.
The tractor is set to travel at a theoretical forward speed of 8 km/h. Wheel slip is 8% and the field efficiency is 75%. All other losses are neglected.
The total time (in minutes) required to spray a 25 ha field is ________. (Rounded off to the nearest integer)
A stationary Ackerman-steer tractor on a dry, clean concrete surface carries 12 kN vertical load on each front steered wheel of 0.28 m nominal tyre width (b). Assume uniform pressure distribution on the circular tyre-print area having diameter b. Effective friction coefficient between tyre and surface is 0.30.
The steering is individually power-assisted by a single-rod hydraulic cylinder, acting through a pitman arm resulting in 60 mm effective moment arm. The hydraulic relief valve is set to 8 MPa, and the cylinder bore is 32 mm (ignore rod area). Neglect other losses.
The maximum kingpin offset (in mm), which does not cause the maximum allowable kingpin torque to be exceeded, is ________. (Rounded off to the nearest integer)
(Take \(\pi = 3.14\))
An 8 x 20 cm seed drill has a 0.60 m diameter ground wheel. On a hard-surface calibration stand, the drill delivers 814 g of seeds in 30 wheel revolutions.
When operated in a field having soft soil, the wheel's effective rolling circumference reduces by 4%. Neglecting other losses, the actual-field seed application rate (in kg/ha) is ________. (Rounded off to two decimal places)
(Take \(\pi = 3.14\))
A tractor PTO shaft, through a spur-gear reduction, drives a small grain auger, the PTO running at the standard 540 rpm. The driving gear on the PTO shaft has a 0.18 m pitch circle diameter.
The auger requires 3.5 kW, transmitted through this gear. The normal force along the line of action between the meshing teeth is 760 N. Assume involute spur gears, single tooth contact, and neglect friction.
The pressure angle (in degrees) is ________. (Rounded off to two decimal places)
(Take \(\pi = 3.14\))
A homogeneous earthen embankment has an upstream water level of \(12\) m. The top width of the embankment is \(3\) m, and its upstream and downstream slopes (horizontal:vertical) are \(2:1\) and \(2.5:1\), respectively. A freeboard of \(2\) m is provided. The coefficient of permeability of the fill material is \(2.5 \times 10^{-5}\) m/s. If a \(20\) m long horizontal filter is placed inward from the downstream toe, the seepage discharge per unit length of the embankment is \(n \times 10^{-5}\) m\(^3\)/s per m. The value of \(n\) is ________. (Rounded off to two decimal places)
A \(0.80\) km\(^2\) agricultural watershed has a slope of \(0.30\%\) and the maximum length of travel of water is \(1\) km. The \(10\)-year maximum depth of rainfall is tabulated below:
| Duration (minutes) | 5 | 10 | 20 | 30 | 40 | 60 |
|---|---|---|---|---|---|---|
| Maximum depth of rainfall (mm) | 16 | 24 | 39 | 50 | 60 | 65 |
Half of the watershed has row crops (runoff coefficient = \(0.40\)), whilst the other half of the watershed has pasture (runoff coefficient = \(0.35\)). The peak flow rate for the watershed (in m\(^3\)/s) for the \(10\)-year return period is ________. (Rounded off to two decimal places)
Two catchments M and N are meteorologically similar. The basin length (\(L\)), length to the centroid (\(L_{ca}\)), and the drainage area (\(A\)) of catchment M are \(36\) km, \(18\) km, and \(250\) km\(^2\), respectively. The \(L\), \(L_{ca}\) and \(A\) for catchment N are \(50\) km, \(30\) km, and \(400\) km\(^2\), respectively.
For a \(6\)-h unit hydrograph in catchment M, the peak discharge of \(50\) m\(^3\)/s occurs at \(12\) h from the beginning of the rainfall excess. Using Snyder's method, the peak of the \(6\)-h unit hydrograph for catchment N (in m\(^3\)/s) is ________. (Rounded off to two decimal places)
Two rectangular channels, A and B, join to form a large rectangular channel, C. Each rectangular channel is lined with the same material and has the same bottom slope. The bottom widths of Channels A and B are \(2\) m and \(1\) m, respectively. If the flow depth in each channel is \(2\) m, the bottom width of Channel C (in m) is ________. (Rounded off to two decimal places)
A well fully penetrates a \(30\) m thick confined aquifer. After a long period of pumping at a constant rate of \(0.06\) m\(^3\)/s, drawdowns of \(3.6\) m and \(2.0\) m are found at distances \(60\) m and \(120\) m away from the well, respectively. The hydraulic conductivity of the aquifer is \(n \times 10^{-4}\) m/s. The value of \(n\) is ________ (Rounded off to two decimal places)
Bench terraces are planned on \(15\%\) hill slope. The vertical interval is \(2.5\) m, and the riser has a slope of \(1:1\). The earthwork in cutting is equal to the earthwork in filling. The volume of earthwork per hectare (in m\(^3\)/ha) is ________ (Rounded off to the nearest integer)
An undisturbed soil sample is collected from a field with core cylinder having an internal diameter of \(60\) mm and length of \(100\) mm. The weights of moist soil and oven dried soil are \(0.48\) kg and \(0.44\) kg, respectively. Assuming density of water as \(1000\) kg/m\(^3\), the water depth (in metres per metre depth of soil) is ________ (Rounded off to two decimal places)
The crop period is divided into four stages, initial, grand growth, mid-season, and late-season, with each stage spanning 25 days. The crop coefficient (\(K_c\)) varies linearly from 0.4 at the initial stage to 1.2 at the mid-season stage. The reference crop evapotranspiration on the 40th day is 8 mm. The corresponding actual crop evapotranspiration (in mm) is ________.
Uniformity of irrigation is checked in a border strip by measuring the water penetration depth at 16 equally spaced stations along the strip. The depths of penetration of water recorded (in mm) are as follows:
| 0.65 | 0.83 | 0.79 | 0.87 |
| 0.67 | 0.85 | 0.86 | 0.68 |
| 0.88 | 0.77 | 0.73 | 0.59 |
| 0.89 | 0.63 | 0.72 | 0.70 |
The distribution uniformity low-quarter (DULQ), in fraction, is ________.
GATE 2026 Agricultural Engineering Exam Pattern and Marking Scheme Explained
As per the official GATE 2026 information on IIT Guwahati's portal (gate2026.iitg.ac.in), the AG paper is a computer-based test with MCQ and NAT (numerical answer type) questions.
- Total questions: 65, split into 44 MCQs and 21 NAT questions
- Duration: 3 hours (9:30 AM to 12:30 PM)
- Total marks: 100, made up of General Aptitude (15 marks), Engineering Mathematics (13 marks), and core AG subjects (72 marks)
- Marking scheme: -1/3 mark for a wrong 1-mark MCQ, -2/3 mark for a wrong 2-mark MCQ, and no negative marking on NAT questions
- Calculator: only the on-screen virtual calculator built into the exam software is allowed, no physical calculator
High-Weightage Subjects in GATE 2026 Agricultural Engineering to Focus On First
Farm Machinery and Farm Power together carried the single biggest share of this paper, so start your revision there before the smaller sections.
- Farm Machinery and Farm Power: the highest weightage in the paper, 16 of the 65 questions, covering tractors, IC engines, PTO shafts, belt drives, and gear design
- General Aptitude: a fixed 10 questions worth 15 marks, the same across every GATE branch
- Engineering Mathematics: 9 calculation-heavy questions on linear algebra, ODEs, and numerical methods
- Irrigation and Drainage Engineering, Soil and Water Conservation Engineering, and Dairy and Food Engineering: 8 questions each, spanning channel hydraulics, watershed design, seepage, and food process engineering
- Agricultural Process Engineering: 5 questions on grinding, evaporation, and size reduction
GATE 2026 Agricultural Engineering Question Paper Analysis Video
Source: AGRIYUG - GATE AGRICULTURE ENGINEERING
How to Use the GATE Agricultural Engineering Question Paper for Practice
Treat this paper as a full-length mock before you open the solutions PDF, since that is the closest you will get to the real 3-hour pressure.
- Solve all 65 questions in one 3-hour sitting with the on-screen calculator only, no shortcuts
- Check every answer against the solution PDF, not just the ones you got wrong, since GATE's negative marking punishes confident mistakes
- Redo the Farm Machinery and Farm Power questions separately if you slipped there, since they carry 16 of the 65 questions, more than any other section
GATE Agricultural Engineering Good Attempts and Qualifying Score Benchmark
- Aim for 50-55 attempts at high accuracy rather than rushing all 65, since guessing on MCQs costs you marks
- AG has held one of the lowest qualifying cutoffs among GATE branches, around 25 marks for the general category in 2023-2025
- Use a clean 50-55 question attempt on this paper as your practice target, not a rushed full attempt
GATE 2026 Agricultural Engineering Question Paper FAQs
Ques. Was GATE 2026 Agricultural Engineering tougher than previous years?
Ans. GATE 2026 AG was rated moderate difficulty, in the same band as XE, BT, and AE, while branches like CS, ME, EE, and ECE were rated difficult to moderately difficult. The paper leaned more conceptual this year, so a strong grip on fundamentals mattered more than formula recall.
Ques. How many questions should I attempt in GATE Agricultural Engineering to qualify?
Ans. Aim for 50-55 questions attempted with high accuracy rather than all 65. AG's qualifying cutoff has stayed around 25 marks for the general category in recent years, one of the lowest among GATE branches, so accuracy matters more than raw attempt count.
Ques. Which topics had the highest weightage in GATE 2026 Agricultural Engineering?
Ans. Farm Machinery and Farm Power led with 16 of the 65 questions. General Aptitude followed with a fixed 10 questions, and Engineering Mathematics added another 9 calculation-based questions.
Ques. Are GATE Agricultural Engineering questions repeated from previous years?
Ans. Direct repeats are rare, but the underlying concepts and question frameworks recur year after year. Solving the last 10-11 years of GATE AG papers is the standard way students prepare for this pattern.
Ques. Can I use a calculator in GATE Agricultural Engineering?
Ans. No physical or scientific calculator is allowed. GATE provides an on-screen virtual calculator built into the exam software, and NAT answers are entered using the on-screen virtual keypad.
Ques. Where can I download the GATE 2026 Agricultural Engineering question paper with solutions PDF for free?
Ans. Use the download table above on Collegedunia for the free question paper and solutions PDF. For the original unedited paper and the official answer key, check IIT Guwahati's GATE 2026 portal at gate2026.iitg.ac.in.












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