JEE Main DPP 29 October 2024: Daily practice problems for 2025 aspirants

JEE Main DPP 29 October 2024

JEE Main DPP 29 October 2024: JEE Main Session 1 2025 will likely be scheduled in the month of January 2025. As the authority has not yet mentioned the official exam dates. The applicants preparing for the exam must bring their attention to practice the JEE Main sample papers. Hence, here are some daily practice questions with answers for JEE Main DPP 29 October 2024 that include the 5 questions from each subject, i.e., Mathematics, Physics, and Chemistry.

Also Read | NEET Daily Practice Questions 29 October 2024: DPP for 2025 aspirants

JEE Main DPP 29 October 2024: Physics

Candidates can check out the JEE Main DPP 29 October 2024 daily practice problems for 2025 aspirants from Physics section:

Question 1: An air bubble having volume 1 cm3 at depth 40 m inside water comes to the surface. What will be the volume of the bubble at the surface?

(1) 5 cm3

(2) 2 cm3

(3) 4 cm3

(4) 3 cm3

Answer (1)

Question 2: In an LC oscillating circuit with L = 75 mH and C = 30 mF. The maximum charge of the capacitor is 2.7 × 10–4C. Maximum current through the circuit will be

(1) 0.18 Amp

(2) 0.24 Amp

(3) 0.72 Amp

(4) 0.92 Amp

Answer (1)

Question 3: Two different lenses are used in telescope because

(1) Magnification is increased

(2)  Focal length is increased

(3)  More light is captured

(4) Spherical aberration is increased

Answer (1)

Question 4: Statement (1): If total energy of a satellite revolving around earth in circular path is E, then potential energy of satellite is 2E

Statement (2): Kinetic energy is also twice of total energy

(1) (1) & (2), both are true

(2)  (1) is true, but (2) is false

(3)  Both (1) & (2) are false

(4)  (1) is false, but (2) is true

Answer (2)

Question 5: In a lake of depth 40 m a bubble is at bottom. Assuming temperature and density of lake water to be uniform, find density of air in bubbles. (Assume temperature T = 12°C and density water = 103 kg/m3)

(1) 16.76 kg/m3

(2) 15.32 kg/m3

(3) 6.33 kg/m3

(4) 45.94 kg/m3

Answer (3)

JEE Main DPP 29 October 2024: Chemistry

Candidates can check out the JEE Main DPP 29 October 2024 daily practice problems for 2025 aspirants from Chemistry section:

Question 1: Stabiliser used for concentration of sulphide ore is

(1) Fatty acids

(2) Pine oil

(3) Cresol

(4) Xanthates

Answer (3)

Question 2: Prolonged heating of Ferrous ammonium sulphate is avoided to prevent

(1) Oxidation

(2) Reduction

(3) Hydrolysis

(4) Breaking

Answer (1)

Question 3: Read the following two statements

Statement I: Potassium dichromate is used in volumetric analysis.

Statement II: K2Cr2O7 is more soluble in water than Na2Cr2O7.

(1) Both statements I and II are correct

(2)  Both statements I and II are incorrect

(3)  Statement I is correct and II is incorrect

(4)  Statement I is incorrect and II is correct

Answer (3)

Question 4: The pair of compounds from the following pairs having both the compounds with net zero dipole moment is

(1)  CH2Cl2 ; CHCl3

(2)  1,4-dichlorobenzene;1,3,5-trichlorobenzene

(3)  Benzene; p-Anisidine

(4) Cis-dichloroethene; trans-dichloroethene

Answer (2)

Question 5: Mixture of A, B and C is added to the column containing adsorbent for separation. Using solvent, A is eluted first and B eluted last, then B has

(1)  High Rf, less adsorption

(2)  Low Rf, strongly adsorbed

(3) High Rf, strong adsorption

(4) Low Rf, weakly adsorbed

Answer (2)

JEE Main DPP 29 October 2024: Mathematics

Candidates can check out the JEE Main DPP 29 October 2024 daily practice problems for 2025 aspirants from Maths section:

Problem 1: From a square of side 30 cm the squares of side x cm is cut off to make a cuboid of maximum volume. The surface area of cuboid with open top is

(1)  400 cm2

(2) 464 cm2

(3) 800 cm2

(4) 900 cm2

Solution (2)

Problem 2: Using the number 1, 2, 3 … 7, total numbers of 7 digit number which does not contain string 154 or 2367 is (Repetition is not allowed)

(1) 4897

(2) 4898

(3) 4896

(4) 4899

Solution (2)

Problem 3: Find the number of integral values of x which satisfy the inequality x2 – 10x + 19 < 6.

(1) 5

(2) 11

(3) 7

(4) 8

Solution (3)

Problem 4: The coefficient of x7 in (1 – 2x + x3)10 is

(1) 5140

(2)  2080

(3)  4080

(4)  6234

Solution (3)

Problem 5: 3, 8, 13, ……, 373 are in arithmetic series. The sum of numbers not divisible by three is

(1) 93100

(2)  8340

(3)  9525

(4)  7325

Solution (3)