JEE Main 2026 Memory Based Questions: Jan 21, Shift 1 and Shift 2 Question Paper with Answers

JEE Main Memory Based Questions 2026: The JEE Main 2026 Session 1 examination has officially begun from January 21, 2026, and will continue till January 29, 2026. Conducted by the National Testing Agency (NTA), JEE Main is one of the most important national-level engineering entrance exams for admission to NITs, IIITs and other centrally funded technical institutions. Today's exam was conducted Hassle-free. As candidates finish their exam, and eager to assess the difficulty level and understand the types of questions asked. Since the exam is online, the only way to gather details is through memory-based recollections from students who appeared for the test. We’ve collected memory-based questions from Paper 1 of JEE Main 2025, gathered directly from candidates, which offer insights into the topics covered in the exam. These questions play a crucial role in last-minute preparation and revision.

JEE Main 2026 Exam Dates (Session 1)

As per the official exam schedule:

• JEE Main 2026 Paper 1 (B.E./B.Tech)
  Exam Dates: January 21 to January 24 and January 28, 2026
  Shift 1: 9:00 AM to 12:00 PM
  Shift 2: 3:00 PM to 6:00 PM

• JEE Main 2026 Paper 2 (B.Arch/B.Planning)
  Exam Date: January 29, 2026

The exam is being conducted in computer-based test mode across multiple centres in India and abroad.

CHECK: JEE Main 2026 Dates: Check Application Form, Exam, Answer Key and Result Expected Months

JEE Main 2026: Key Highlights

JEE Main Memory Based Questions 2026, January 21: Shift 1 and Shift 2 

The JEE Main Paper 1 questions and their possible solutions will be updated here gradually. We will be gathering questions from aspirants who appeared for the exam on January 21, 2026, in both Shift 1 and Shift 2. Please note that these questions are based on candidates' recollections and are not official, but they offer a good idea of the types of questions asked in the exam. 

Check the below table to get the direct official PDFs of the JEE Main 2026 Exam Shift 1

JEE Main, Jan 21, Shift 1 Questions

The JEE Main 2025 Shift 1 takes place from 9 AM to 12 PM. In this section, we will provide the memory-based questions from the Shift 1 exam, which are based on the recollections of candidates who appeared for the test.

The following questions have been sourced from Sri Chaitanya Academy JEE and JEE Akash 

JEE Main Memory Based Questions: Maths

Question 

Find the value of: Cosec10°- √3 sec10°

1. 1

2. 2

3. 4

4. None of these

Answer: 4

Question

Answer: 1) 11

Question

Options:

1. 8/3

2. 7/3

3. 2/3

4. 3

Answer: (2)

Question

Answer: (2)

Question

Answer: 4

Question

Answer: (C)

Question

Answer: (3)

Question

Answer: 2π-2

JEE Main Memory Based Questions: Chemistry

Question 

Answer: (1)

Question

For two chemical reactions A and B, if the difference between their activation energy is 20 kJ at 300 K (R = 8.3 J K⁻¹ mol⁻¹). Determine 

Answer: 8

Question

In ‘S’ estimation, 0.7 g of an organic compound gives 1 g BaSO₄ in Carius method.

What is the % of ‘S’ in the compound?

1. 19.61

2. 23.85

3. 27.93

4. 14.57

Answer: (1)

Question

Answer: (1)

Question

Answer: (2)

Question

Answer: 20

Question

Answer: (D)

Question

Answer: (C)

Question

Answer: (A)

Question

Answer: (C)

JEE Main Memory Based Questions: Physics

Question

In Carius method, 0.75 g of an organic compound gave g of barium sulphate.
Find % of sulphur
(Molar mass of sulphur = 32 g mol⁻¹)
(Molar mass of barium sulphate = 233 g mol⁻¹)

Options:

(A) 16.48%
(B) 4.55%
(C) 21.97%
(D) 10.30%

Answer: (C)

Question

14.0 g of calcium metal is allowed to react with excess HCl at 1.0 atm pressure & 273 K.
Which of the following statement is incorrect?
(Molar Mass in g mol⁻¹ Ca = 40, Cl = 35.5)

Options:

(a) 0.35 mol of H₂ gas is evolved.
(b) The limiting reagent is calcium metal.
(c) 33.3 g of CaCl₂ is produced.
(d) 7.84 L of H₂ gas is evolved.

Answer: (C)

Question

Answer: (2)

Question

Answer: (3)

Question

Answer: (2)

Question

Answer: 50

Question

Answer: (d)

Question

Answer: 280mm

Question

Answer: 500 cal

JEE Main, Jan 21, Shift 2 Questions

The JEE Main 2025 Shift 2 takes place from 3 PM to 6 PM. In this section, we will provide the memory-based questions from the Shift 2 exam, which are based on the recollections of candidates who appeared for the test.

JEE Main Memory Based Questions: Maths

Question

Answer: (A)

Question

Answer: 104

JEE Main Memory Based Questions: Chemistry

Question

Answer: 42%

Question

Answer: (2)

Question

Option:

1) 3

2) 4

3) 5

4) 6

Answer: (2)

Question

Answer: (1)

JEE Main Memory Based Questions: Physics

Question

Answer: (3)

Question

Answer: (1)

Question

Answer: (2)

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