JEE Mains 5 December Daily Practice Questions for 2025 Session 1 with Solution

Question 1
Which of the following compounds gives a red precipitate with Benedict's solution?
(1) Sucrose
(2) DNA
(3) Glucose
(4) RNA
Answer: (3)

Question 2
Statement 1: Sulfides are first converted into oxides during metallurgical processes.
Statement 2: This is because oxides are easier to reduce.
(1) Both statements are correct.
(2) Both statements are incorrect.
(3) Only Statement 1 is correct.
(4) Only Statement 2 is correct.
Answer: (1)

Question 3
What is the chemical formula of freon gas commonly used in refrigeration?
(1) C2Cl2F4​
(2) CHF3​
(3) CCl2F2​
(4) C2F2H4​​
Answer: (3)

Question 4
Which of the following has the lowest boiling point?
(1) Rb
(2) K
(3) Cs
(4) Na
Answer: (3)

Question 5
Statement 1: Nylon-6 is synthesized from caprolactam.
Statement 2: LDPE is made using TiCl4 and Al(Et)3​ catalysts.
(1) Both statements are correct.
(2) Both statements are incorrect.
(3) Only Statement 1 is correct.
(4) Only Statement 2 is correct.
Answer: (3)

 JEE Mains 5 December Mathematics Daily Practice Questions for 2025 Session 1 with Solution

 Problem 1
Using all the letters of the word "MATHS," find the rank of the word "THAMS."
(1) 101
(2) 103
(3) 102
(4) 104
Solution: (2)

Problem 2
If the ratio of three consecutive terms in the expansion of (1+x)ⁿ⁺² is 1:3:5, what is the sum of these consecutive terms?
(1) 41
(2) 64
(3) 63
(4) 43
Solution: (3)

Problem 3
A circle with center $(2,0)$ and maximum radius $r$ is inscribed in the ellipse x²/36+y²/9=1. Find the value of 12r².
(1) 172
(2) 108
(3) 83
(4) 92
Solution: (4)

Problem 4
Find the area enclosed between the curve y=2x²+1, its tangent at the point (1,3), and the line x+y=1.
(1) 1/60
(2) 4/15
(3) 1/15
(4) 8/3
Solution: (2)

Problem 5
The mean and variance of the dataset {1,2,4,5,x,y} are 5 and 10, respectively. What is the mean deviation about the mean?
(1) 5/2
(2) 7/6
(3) 7/2
(4) 5/6
Solution: (1)