JEE Mains 24 December Daily Practice Questions for 2025 Session 1 with Solution: Aspirants preparing for the upcoming JEE Mains Exam from January 22 to 31, 2025, can enhance their JEE Main 2025 preparation with the daily practice questions. This JEE Mains 24 December Daily Practice Questions for 2025 Session 1 with Solution covers key concepts from Physics, Chemistry, and Mathematics. Each question comes with a solution to help grasp the underlying principles and improve preparation for the upcoming JEE Main examination. Candidates must solve these JEE Mains practice questions today to enhance their speed, accuracy and confidence.
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JEE Mains 24 December Daily Practice Questions for 2025 Session 1 with Solution
Candidates can go through the JEE Mains 24 December Daily Practice Questions for 2025 Session 1 with answers below.
JEE Mains 24 December Daily Physics Practice Questions for 2025 Session 1 with Solution
Ques 1: Determine the final pressure of a monoatomic gas that undergoes an isentropic (constant entropy) compression, reducing its initial volume V to 1/8th of its original value at a starting pressure P.
(a) P
(b) 8P
(c) 32P
(d) 64P
Answer (C)
Ques 2: Calculate the percentage reduction in the weight of a rocket when elevated to an altitude of 32 kilometres above Earth's surface. (Radius of earth= 6400 km)
(a) 1%
(b) 3%
(c) 4%
(d) 0.5%
Answer (A)
Ques 3: Analyze the tension in a rope (Tmax = 350 N) when a 50 kg monkey climbs down (a = 4 m/s²) and then climbs up (a = 5 m/s²). Choose the correct option (g= 10m/s2).
(a) T = 700 N when climbing upward
(b) T = 350 N when going downward
(c) The rope will break with climbing upward
(d) Rope will break with climbing downward
Answer (C)
Ques 4: A screw gauge of pitch 0.5mm is used to measure the diameter of the uniform wire of length 6.8 cm, themain scale reading is 1.5mm and the circular scale reading is 7. The calculated curved surface area of wire to appropriate significant figures is:
(a) A≈6.8 cm2
(b) A≈3.352 cm2
(c) A≈3.9 cm2
(d) A≈2.4 cm2
Answer (B)
Ques 5: When a car is approaching the observer, the frequency of the horn is 100 Hz. After passing the observer, it is 50 HZ. If the observer moves the car, the frequency will be x/3 Hz where x = —---
(a) 100
(b) 150
(C.) 200
(d) 250
Answer (C)
JEE Mains 24 December Daily Chemistry Practice Questions for 2025 Session 1 with Solution
Ques 1: The difference in the reaction of phenol with bromine in chloroform and bromine in water medium is due to:
(a) Hyperconjugation in substrate
(b) Polarity of solvent
(c) Free radical formation
(d) Electromeric effect of substrate
Answer (B)
Ques 2: Stearic acid and polyethylene glycol react to form which one of the following soaps/detergents?
(a) Cationic detergent
(b) soap
(c) Anionic detergent
(d) non-ionic detergent
Answer (D)
Ques 3: Which of the given molecules exhibits the strongest bond, as indicated by its highest bond dissociation energy?
(a) I2
(b) Cl2
(c) Br2
(d) F2
Answer (B)
Ques 4: Explain the formation of the blue-green bead observed during the borax bead test of CuSO₄ in an oxidizing flame.
(a)CuO
(b) Cu(BO2)2
(c) Cu3B2
(d) None of the above
Answer (B)
Ques 5: Identify the compound that demonstrates the most significant potential for improving the efficiency of hydrogen storage within a tank.
(a) Di-isobutylaluminium hydride
(b) NaNi5
(c) SiH4
(d) Li/P4
Answer (B)
JEE Mains 24 December Daily Mathematics Practice Questions for 2025 Session 1 with Solution
Ques 1: A class comprises b boys and g girls. Given that there are 168 distinct ways to select a group of 3 boys and 2 girls from the class, determine the value of b + 3g.
(a) 15
(b) 16
(c) 17
(d) 18
Answer (C)
Ques 2: Let the mean and variance of the data 1,2,4,5,x,y, are 5 and 10 respectively. The mean deviation about the mean of data is:
(a) 5/2
(b) 7/2
(c) 5/6
(d) 7/6
Answer (A)
Ques 3: If z=3+4i, the modulus of z is:
(a) 7
(b) 3
(c) 5
(d) 4
Answer (C)
Ques 4: If you roll two dice at the same time, what's the chance that the numbers will add up to 7?
(a) 1/9
(b) 1/12
(c) 1/36
(d) 1/6
Answer (D)
Ques 5: Calculate the probability of selecting two aces consecutively from a thoroughly shuffled deck of 52 playing cards.
(a) 1/132
(b) 1/102
(c) 1/121
(d) 1/169
Answer (C)
These JEE Mains 24 December Daily Practice Questions for 2025 Session 1 with Solution, encompassing Physics, Chemistry, and Mathematics, offer a valuable opportunity to identify areas of strength and weakness. Consistent practice with these questions can help the candidates enhance their conceptual understanding.
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