JEE Main 2025 DPP: Daily Practice Questions (16 January 2025) with Answers - Boost Your Preparation

JEE Main Session 1 2025 is scheduled from January 22 to 30. To excel, applicants should practice JEE Main sample papers regularly.

Here are daily practice questions for JEE Main DPP on 16 January 2025, featuring five questions each from Mathematics, Physics, and Chemistry, along with answers. These will help improve problem-solving speed and accuracy.

JEE Main Daily Practice Questions: Mathematics (16 January 2025)

Question 1: Let A and B be two finite sets with m and n elements respectively. The total number of subsets of the set A is 56 more than the total number of subsets of B. Then the distance of the point P(m, n) from the point Q(–2, –3) is:

(1) 10

(2) 6

(3) 4

(4) 8

Answer: (1)

Question 2: An urn contains 6 white and 9 black balls. Two successive draws of 4 balls are made without replacement. The probability, that the first draw gives all white balls and the second draw gives all black balls, is :

(1) 5/256

(2) 5/715

(3) 3/715

(4) 3/256

Answer: (3)

Question 3: If the sum of squares of all real values of , for which the lines 2x – y + 3 = 0, 6x + 3y + 1 = 0 and ax + 2y –2 = 0 do not form a triangle is p, then the greatest integer less than or equal to p is ………

Answer: 32

Question 4: The area (in square units) of the region bounded by the parabola y^2 = 4(x – 2) and the line y = 2x - 8

(1) 8

(2) 9

(3) 6

(4) 7

Answer: (2)

Question 5: Let y = y (x) be the solution of the differential equation sec x dy + {2(1 – x) tan x + x(2 – x)} dx = 0 such that y(0) = 2.Then y(2) is equal to :

(1) 2

(2) 2{1 – sin (2)}

(3) 2{sin (2) + 1}

(4) 1

Answer: (1)

JEE Main Daily Practice Questions: Physics (16 January 2025)

Question 1. Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R ).

Assertion (A) : The angular speed of the moon in its orbit about the earth is more than the angular speed of the earth in its orbit about the sun.

Reason (R) : The moon takes less time to move around the earth than the time taken by the earth to move around the sun.

In the light of the above statements, choose the most appropriate answer from the options given below :

(1) (A) is correct but (R) is not correct

(2) Both (A) and (R) are correct and (R) is the correct explanation of (A)

(3) Both (A) and (R) are correct but (R) is not the correct explanation of (A)

(4) (A) is not correct but (R) is correct

Answer: (2)

Question 2: Primary side of a transformer is connected to 230 V, 50 Hz supply. The turns ratio of primary to secondary winding is 10 : 1. Load resistance connected to the secondary side is 46 Ω. The power consumed in it is :

(1) 12.5 W

(2) 10.0 W

(3) 11.5 W

(4) 12.0 W

Answer: (3)

Question 3: Given below are two statements : one is labelled as Assertion(A) and the other is labelled as Reason (R).

Assertion (A) : In Vernier calliper if positive zero error exists, then while taking measurements, the reading taken will be more than the actual reading.

Reason (R) : The zero error in Vernier Calliper might have happened due to manufacturing defects or due to rough handling.

In the light of the above statements, choose the correct answer from the options given below :

(1) Both (A) and (R) are correct and (R) is the correct explanation of (A)

(2) Both (A) and (R) are correct but (R) is not the correct explanation of (A)

(3) (A) is true but (R) is false

(4) (A) is false but (R) is true

Answer: (2)

Question 4: When a polaroid sheet is rotated between two crossed polaroids then the transmitted light intensity will be maximum for a rotation of :

(1) 60°

(2) 30°

(3) 90°

(4) 45°

Answer: (4)

Question 5: A heavy iron bar of weight 12 kg is having its one end on the ground and the other on the shoulder of a man. The rod makes an angle 60° with the horizontal, the weight experienced by the man is :

(1) 6 kg

(2) 12 kg

(3) 3 kg

(4) 6√3 kg

Answer: (3)

JEE Main Daily Practice Questions: Chemistry (16 January 2025)

Question 1: Element not showing variable oxidation state is :

(1)Bromine

(2)Iodine

(3)Chlorine

(4)Fluorine

Answer: (4)

Question 2: Two nucleotides are joined together by a linkage known as :

(1) Phosphodiester linkage

(2) Glycosidic linkage

(3) Disulphide linkage

(4) Peptide linkage

Answer: (1)

Question 3: A solution of two miscible liquids showing negative deviation from Raoult's law will have :

(1) increased vapour pressure, increased boiling point

(2) increased vapour pressure, decreased boiling point

(3) decreased vapour pressure, decreased boiling point

(4) decreased vapour pressure, increased boiling point

Answer: (4)

Question 4: Given below are two statements :

Statement (I) : The 4f and 5f - series of elements are placed separately in the Periodic table to preserve the principle of classification.

Statement (II) : S-block elements can be found in pure form in nature. In the light of the above statements, choose the most appropriate answer from the options given below :

(1) Statement I is false but Statement II is true

(2) Both Statement I and Statement II are true

(3) Statement I is true but Statement II is false

(4) Both Statement I and Statement II are false

Answer: (3)

Question 5: Given below are two statements :

Statement (I) : p-nitrophenol is more acidic than m-nitrophenol and o-nitrophenol.

Statement (II) : Ethanol will give immediate turbidity with Lucas reagent. In the light of the above statements, choose the correct answer from the options given below :

(1) Statement I is true but Statement II is false

(2) Both Statement I and Statement II are true

(3) Both Statement I and Statement II are false

(4) Statement I is false but Statement II is true

Answer: (1)

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