JEE Main 8 April 2024 Shift 2 Question Paper with Answers
8 April 2024 · April session · 90 questions
The complete JEE Main 8 April 2024 Shift 2 paper — all 90 questions with the correct answer for each, tagged to the chapter it tests. Free to read, no account needed.
Physics
30
Chemistry
30
Mathematics
30
Physics — JEE Main 8 April 2024 Shift 2
Q1·PhysicsSingle correct
A block is simply released from the top of an inclined plane as shown in the figure above. The maximum compression in the spring when the block hits the spring is:
(A)6 m
(B)2 m
(C)1 m
(D)5 m
Q2·PhysicsSingle correct
In a hypothetical fission reaction 92X236→56Y141+36Z92+3R. The identity of emitted particles (R) is:
(A)Proton
(B)Electron
(C)Neutron
(D)γ-radiations
Q3·PhysicsSingle correct
If ε0 is the permittivity of free space and E is the electric field, then ε0E2 has the dimensions:
(A)[M0L−2TA]
(B)[ML−1T−2]
(C)[M−1L−3T4A2]
(D)[ML2T−2]
Q4·PhysicsSingle correct
The position of the image formed by the combination of lenses is:
(A)30 cm (right of third lens)
(B)15 cm (left of second lens)
(C)30 cm (left of third lens)
(D)15 cm (right of second lens)
Q5·PhysicsSingle correct
A plane progressive wave is given by y=2cos2π(330t−x) m. The frequency of the wave is:
(A)165 Hz
(B)330 Hz
(C)660 Hz
(D)340 Hz
Q6·PhysicsSingle correct
A thin circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to its plane with angular velocity ω. If another disc of same dimensions but of mass 2M is placed gently on the first disc co-axially, then the new angular velocity of the system is:
(A)54ω
(B)45ω
(C)32ω
(D)23ω
Q7·PhysicsSingle correct
A cube of ice floats partly in water and partly in kerosene oil. The ratio of volume of ice immersed in water to that in kerosene oil (specific gravity of kerosene oil = 0.8, specific gravity of ice = 0.9) is:
(A)8 : 9
(B)5 : 4
(C)9 : 10
(D)1 : 1
Q8·PhysicsSingle correct
Given below are two statements: Statement (I): The mean free path of gas molecules is inversely proportional to square of molecular diameter. Statement (II): Average kinetic energy of gas molecules is directly proportional to absolute temperature of gas. In the light of the above statements, choose the correct answer from the option given below:
(A)Statement I is false but Statement II is true.
(B)Statement I is true but Statement II is false.
(C)Both Statement I and Statement II are false
(D)Both Statement I and Statement II are true.
Q9·PhysicsSingle correct
Two satellites A and B go round a planet in circular orbits having radii 4R and R respectively. If the speed of A is 3v, the speed of B will be:
(A)34v
(B)3v
(C)6v
(D)12v
Q10·PhysicsSingle correct
A long straight wire of radius a carries a steady current I. The current is uniformly distributed across its cross section. The ratio of the magnetic field at 2a and 2a from axis of the wire is:
(A)1 : 4
(B)4 : 1
(C)1 : 1
(D)3 : 4
Q11·PhysicsSingle correct
The angle of projection for a projectile to have same horizontal range and maximum height is:
(A)tan−1(2)
(B)tan−1(4)
(C)tan−1(41)
(D)tan−1(21)
Q12·PhysicsSingle correct
Water boils in an electric kettle in 20 minutes after being switched on. Using the same main supply, the length of the heating element should be ________ to ________ times of its initial length if the water is to be boiled in 15 minutes.
(A)increased, 43
(B)increased, 34
(C)decreased, 43
(D)decreased, 34
Q13·PhysicsSingle correct
A capacitor has air as dielectric medium and two conducting plates of area 12 cm2 and they are 0.6 cm apart. When a slab of dielectric having area 12 cm2 and 0.6 cm thickness is inserted between the plates, one of the conducting plates has to be moved by 0.2 cm to keep the capacitance same as in previous case. The dielectric constant of the slab is: (Given ε=8.834×10−12 F/m)
(A)1.50
(B)1.33
(C)0.66
(D)1
Q14·PhysicsSingle correct
A given object takes n times the time to slide down a 45° rough inclined plane as it takes to slide down an identical perfectly smooth 45° inclined plane. The coefficient of kinetic friction between the object and the surface of inclined plane is:
(A)1−n21
(B)1−n2
(C)1−n21
(D)1−n21
Q15·PhysicsSingle correct
A coil of negligible resistance is connected in series with a 90 Ω resistor across a 120 V, 60 Hz supply. A voltmeter reads 36 V across the resistance. Inductance of the coil is:
(A)0.76 H
(B)2.86 H
(C)0.286 H
(D)0.91 H
Q16·PhysicsSingle correct
There are 100 divisions on the circular scale of a screw gauge of pitch 1 mm. With no measuring quantity in between the jaws, the zero of the circular scale lies 5 divisions below the reference line. The diameter of a wire is then measured using this screw gauge. It is found that 4 linear scale divisions are clearly visible while 60 divisions on circular scale coincide with the reference line. The diameter of the wire is:
(A)4.65 mm
(B)4.55 mm
(C)4.60 mm
(D)3.35 mm
Q17·PhysicsSingle correct
A proton and an electron have the same de Broglie wavelength. If Kp and Ke be the kinetic energies of proton and electron respectively, then choose the correct relation:
(A)Kp>Ke
(B)Kp=Ke
(C)Kp=2Ke
(D)Kp<Ke
Q18·PhysicsSingle correct
Least count of a vernier caliper is 20N1 cm. The value of one division on the main scale is 1 mm. Then the number of divisions of main scale that coincide with N divisions of vernier scale is:
(A)(20N2N−1)
(B)(22N−1)
(C)(2N−1)
(D)(2N2N−1)
Q19·PhysicsSingle correct
If Mo is the mass of isotope 512B, Mp and Mn are the masses of proton and neutron, then nuclear binding energy of the isotope is:
(A)(5Mp+7Mn−Mo)C2
(B)(Mo−5Mp)C2
(C)(Mo−12Mn)C2
(D)(Mo−5Mp−7Mn)C2
Q20·PhysicsSingle correct
A diatomic gas (γ=1.4) does 100 J of work in an isobaric expansion. The heat given to the gas is:
(A)350 J
(B)490 J
(C)150 J
(D)250 J
Q21·PhysicsNumerical
The coercivity of a magnet is 5×103 A/m. The amount of current required to be passed in a solenoid of length 30 cm and the number of turns 150, so that the magnet gets demagnetised when inside the solenoid is ________ A.
Q22·PhysicsNumerical
Small water droplets of radius 0.01 mm are formed in the upper atmosphere and falling with a terminal velocity of 10 cm/s. Due to condensation, if 8 such droplets are coalesced and formed a larger drop, the new terminal velocity will be ________ cm/s.
Q23·PhysicsNumerical
If the net electric field at point P along the Y axis is zero, then the ratio of q3q2 is 5x8, where x = ________ .
Q24·PhysicsNumerical
A heater is designed to operate with a power of 1000 W in a 100 V line. It is connected in combination with a resistance of 10 Ω and a resistance R, to a 100 V mains as shown in figure. For the heater to operate at 62.5 W, the value of R should be ________ Ω.
Q25·PhysicsNumerical
An alternating emf E=1102sin100t volt is applied to a capacitor of 2 μF, the rms value of current in the circuit is ________ mA.
Q26·PhysicsNumerical
Two slits are 1 mm apart and the screen is located 1 m away from the slits. A light of wavelength 500 nm is used. The width of each slit to obtain 10 maxima of the double slit pattern within the central maximum of the single slit pattern is ________ ×10−4 m.
Q27·PhysicsNumerical
An object of mass 0.2 kg executes simple harmonic motion along the x axis with frequency of π25 Hz. At the position x = 0.04 m the object has kinetic energy 0.5 J and potential energy 0.4 J. The amplitude of oscillation is ________ cm.
Q28·PhysicsNumerical
A potential divider circuit is connected with a dc source of 20 V, a light emitting diode of glow in voltage 1.8 V and a zener diode of breakdown voltage of 3.2 V. The length (PR) of the resistive wire is 20 cm. The minimum length of PQ to just glow the LED is ________ cm.
Q29·PhysicsNumerical
A body of mass M thrown horizontally with velocity v from the top of the tower of height H touches the ground at a distance of 100 m from the foot of the tower. A body of mass 2M thrown at a velocity 2v from the top of the tower of height 4H will touch the ground at a distance of ________ m.
Q30·PhysicsNumerical
A circular table is rotating with an angular velocity of ω rad/s about its axis. There is a smooth groove along a radial direction on the table. A steel ball is gently placed at a distance of 1 m on the groove. All the surfaces are smooth. If the radius of the table is 3 m, the radial velocity of the ball w.r.t. the table at the time the ball leaves the table is x2 m/s, where the value of x is ________ .
Chemistry — JEE Main 8 April 2024 Shift 2
Q31·ChemistrySingle correct
In qualitative test for identification of presence of phosphorous, the compound is heated with an oxidising agent, which is further treated with nitric acid and ammonium molybdate respectively. The yellow coloured precipitate obtained is:
(A)Na3PO4⋅12MoO3
(B)(NH4)3PO4⋅12(NH4)2MoO4
(C)(NH4)3PO4⋅12MoO3
(D)MoPO4⋅21NH4NO3
Q32·ChemistrySingle correct
For a reaction AK1BK2C, if the rate of formation of B is set to be zero then the concentration of B is given by:
(A)K1K2[A]
(B)(K1−K2)[A]
(C)(K1+K2)[A]
(D)(K2K1)[A]
Q33·ChemistrySingle correct
When ψA and ψB are the wave functions of atomic orbitals, then ψ∗ is represented by:
(A)ψA−2ψB
(B)ψA−ψB
(C)ψA+2ψB
(D)ψA+ψB
Q34·ChemistrySingle correct
Which one of the following compounds will readily react with dilute NaOH?
Given below are two statements: Statement (I): SN2 reactions are "stereospecific", indicating that they result in the formation of only one stereo-isomer as the product. Statement (II): SN1 reactions generally result in formation of product as racemic mixtures. In the light of the above statements, choose the correct answer from the options given below:
(A)Statement I is true but Statement II is false
(B)Statement I is false but Statement II is true
(C)Both Statement I and Statement II is true
(D)Both Statement I and Statement II is false
Q37·ChemistrySingle correct
Match List-I (Reactions) with List-II (Products). Choose the correct answer from the options given below:
List-I (Reactions)
List-II (Products)
A.see figure
I.see figure
B.see figure
II.see figure
C.see figure
III.see figure
D.see figure
IV.see figure
(A)(A)-(III), (B)-(II), (C)-(I), (D)-(IV)
(B)(A)-(IV), (B)-(II), (C)-(III), (D)-(I)
(C)(A)-(I), (B)-(IV), (C)-(II), (D)-(III)
(D)(A)-(II), (B)-(IV), (C)-(I), (D)-(III)
Q38·ChemistrySingle correct
Match List-I (Test) with List-II (Identification). Choose the correct answer from the options given below:
List-I (Test)
List-II (Identification)
A.Bayer's test
I.Phenol
B.Ceric ammonium nitrate test
II.Aldehyde
C.Phthalein dye test
III.Alcoholic-OH group
D.Schiff's test
IV.Unsaturation
(A)(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
(B)(A)-(II), (B)-(III), (C)-(IV), (D)-(I)
(C)(A)-(IV), (B)-(I), (C)-(II), (D)-(III)
(D)(A)-(IV), (B)-(III), (C)-(I), (D)-(II)
Q39·ChemistrySingle correct
Identify the incorrect statements about group 15 elements: (A) Dinitrogen is a diatomic gas which acts like an inert gas at room temperature. (B) The common oxidation states of these elements are −3, +3 and +5. (C) Nitrogen has unique ability to form pπ−pπ multiple bonds. (D) The stability of +5 oxidation states increases down the group. (E) Nitrogen shows a maximum covalency of 6. Choose the correct answer from the options given below.
IUPAC name of the following hydrocarbon (X) is: CH3-CH(CH3)-CH2-CH2-CH(CH3)-CH(CH3)-CH2-CH3
(A)2-Ethyl-3,6-dimethylheptane
(B)2-Ethyl-2,6-diethylheptane
(C)2,5,6-Trimethyloctane
(D)3,4,7-Trimethyloctane
Q41·ChemistrySingle correct
The equilibrium Cr2O72−⇌2CrO42− is shifted to the right in:
(A)an acidic medium
(B)a basic medium
(C)a weakly acidic medium
(D)a neutral medium
Q42·ChemistrySingle correct
Given below are two statements: Statement (I): A buffer solution is the mixture of a salt and an acid or a base mixed in any particular quantities. Statement (II): Blood is naturally occurring buffer solution whose pH is maintained by H2CO3/HCO3− concentrations. In the light of the above statements, choose the correct answer from the options given below.
(A)Statement I is false but Statement II is true
(B)Both Statement I and Statement II is true
(C)Both Statement I and Statement II is false
(D)Statement I is true but Statement II is false
Q43·ChemistrySingle correct
The correct sequence of acidic strength of the following aliphatic acids in their decreasing order is: CH3CH2COOH, CH3COOH, CH3CH2CH2COOH, HCOOH
(A)HCOOH>CH3COOH>CH3CH2COOH>CH3CH2CH2COOH
(B)HCOOH>CH3CH2CH2COOH>CH3CH2COOH>CH3COOH
(C)CH3CH2CH2COOH>CH3CH2COOH>CH3COOH>HCOOH
(D)CH3COOH>CH3CH2COOH>CH3CH2CH2COOH>HCOOH
Q44·ChemistrySingle correct
Given below are two statements: Statement (I): All the following compounds react with p-toluenesulfonyl chloride. C6H5NH2, (C6H5)2NH, (C6H5)3N. Statement (II): Their products in the above reaction are soluble in aqueous NaOH. In the light of the above statements, choose the correct answer from the options given below.
(A)Both Statement I and Statement II is false
(B)Statement I is true but Statement II is false
(C)Statement I is false but Statement II is true
(D)Both Statement I and Statement II is true
Q45·ChemistrySingle correct
The emf of the cell Tl∣Tl+(0.001M)∣∣Cu2+(0.01M)∣Cu is 0.83 V at 298 K. It could be increased by:
(A)increasing concentration of Tl+ ions
(B)increasing concentration of both Tl+ and Cu2+ ions
(C)decreasing concentration of both Tl+ and Cu2+ ions
(D)increasing concentration of Cu2+ ions
Q46·ChemistrySingle correct
Identify the correct statements about p-block elements and their compounds. (A) Non metals have higher electronegativity than metals. (B) Non metals have lower ionisation enthalpy than metals. (C) Compounds formed between highly reactive nonmetals and highly reactive metals are generally ionic. (D) The non-metal oxides are generally basic in nature. (E) The metal oxides are generally acidic or neutral in nature.
(A)(D) and (E) only
(B)(A) and (C) only
(C)(B) and (E) only
(D)(B) and (D) only
Q47·ChemistrySingle correct
Given below are two statements: Statement (I): Kjeldahl method is applicable to estimate nitrogen in pyridine. Statement (II): The nitrogen present in pyridine can easily be converted into ammonium sulphate in Kjeldahl method. In the light of the above statements, choose the correct answer from the options given below.
(A)Both Statement I and Statement II is false
(B)Statement I is false but Statement II is true
(C)Both Statement I and Statement II is true
(D)Statement I is true but Statement II is false
Q48·ChemistrySingle correct
The reaction 21H2(g)+AgCl(s)→H+(aq)+Cl−(aq)+Ag(s) occurs in which of the following galvanic cell:
(A)Pt∣H2(g)∣HCl(soln.)∣AgCl(s)∣Ag
(B)Pt∣H2(g)∣HCl(soln.)∣AgNO3(aq)∣Ag
(C)Pt∣H2(g)∣KCl(soln.)∣AgCl(s)∣Ag
(D)Ag∣AgCl(s)∣KCl(soln.)∣AgNO3(aq.)∣Ag
Q49·ChemistrySingle correct
Given below are two statements: Statement (I): Fusion of MnO2 with KOH and an oxidising agent gives dark green K2MnO4. Statement (II): Manganate ion on electrolytic oxidation in alkaline medium gives permanganate ion. In the light of the above statements, choose the correct answer from the options given below.
(A)Both Statement I and Statement II is true
(B)Both Statement I and Statement II is false
(C)Statement I is true but Statement II is false
(D)Statement I is false but Statement II is true
Q50·ChemistrySingle correct
Match List-I (Complex ion) with List-II (Spin only magnetic moment in B.M.). Choose the correct answer from the options given below:
List-I (Complex ion)
List-II (Spin only magnetic moment in B.M.)
A.[Cr(NH3)6]3+
I.4.90
B.[NiCl4]2−
II.3.87
C.[CoF6]3−
III.0.0
D.[Ni(CN)4]2−
IV.2.83
(A)(A)-(I), (B)-(IV), (C)-(II), (D)-(III)
(B)(A)-(IV), (B)-(III), (C)-(I), (D)-(II)
(C)(A)-(II), (B)-(IV), (C)-(I), (D)-(III)
(D)(A)-(II), (B)-(III), (C)-(I), (D)-(IV)
Q51·ChemistryNumerical
ΔvapH⊖ for water is +40.79 kJ mol−1 at 1 bar and 100°C. Change in internal energy for this vapourisation under same condition is _______ kJ mol−1. (Integer answer) (Given R =8.3 JK−1 mol−1)
Q52·ChemistryNumerical
Number of molecules having bond order 2 from the following molecules is _______. C2, O2, Be2, Li2, Ne2, N2, He2
Total number of optically active compounds from the following is _______ .
Q54·ChemistryNumerical
The total number of carbon atoms present in tyrosine, an amino acid, is _______ .
Q55·ChemistryNumerical
Two moles of benzaldehyde and one mole of acetone under alkaline conditions using aqueous NaOH after heating gives x as the major product. The number of π bonds in the product x is _______ .
Total number of aromatic compounds among the following compounds is _______ .
Q57·ChemistryNumerical
Molality of an aqueous solution of urea is 4.44 m. Mole fraction of urea in solution is x×10−3. Value of x is _______ . (integer answer)
Q58·ChemistryNumerical
Total number of unpaired electrons in the complex ions [Co(NH3)6]3+ and [NiCl4]2− is _______ .
Q59·ChemistryNumerical
Wavenumber for a radiation having 5800 Å wavelength is x×10 cm−1. The value of x is _______ .
Q60·ChemistryNumerical
A solution is prepared by adding 1 mole ethyl alcohol in 9 mole water. The mass percent of solute in the solution is _______ . (Integer Answer) (Given: Molar mass in g mol−1 — Ethyl alcohol: 46, water: 18)
Mathematics — JEE Main 8 April 2024 Shift 2
Q61·MathematicsSingle correct
If the image of the point (−4,5) in the line x+2y=2 lies on the circle (x+4)2+(y−3)2=r2, then r is equal to
(A)1
(B)2
(C)5
(D)3
Q62·MathematicsSingle correct
Let a=i^+2j^+3k^, b=2i^+3j^−5k^ and c=3i^−j^+λk^ be three vectors. Let r be a unit vector along b+c. If r⋅a=3, then 3λ is equal to
(A)27
(B)25
(C)23
(D)21
Q63·MathematicsSingle correct
If α=a, β=b, γ=c and αaabβbccγ=0, then α−aa+β−bb+γ−cγ is equal to
(A)2
(B)3
(C)0
(D)1
Q64·MathematicsSingle correct
In an increasing geometric progression of positive terms, the sum of the second and sixth terms is 370 and the product of the third and fifth terms is 49. Then the sum of the 4th, 6th and 8th terms is
(A)96
(B)78
(C)91
(D)84
Q65·MathematicsSingle correct
The number of ways five alphabets can be chosen from the alphabets of the word MATHEMATICS, where the chosen alphabets are not necessarily distinct, is equal to
(A)175
(B)181
(C)177
(D)179
Q66·MathematicsSingle correct
The sum of all possible values of θ∈[−π,2π], for which 1−2icosθ1+icosθ is purely imaginary, is equal to
(A)2π
(B)3π
(C)5π
(D)4π
Q67·MathematicsSingle correct
If the system of equations x+4y−z=λ, 7x+9y+μz=−3, 5x+y+2z=−1 has infinitely many solutions, then (2μ+3λ) is equal to
(A)2
(B)−3
(C)3
(D)−2
Q68·MathematicsSingle correct
If the shortest distance between the lines 2x−λ=3y−4=4z−3 and 4x−2=6y−4=8z−7 is 2913, then a value of λ is
(A)−2513
(B)2513
(C)1
(D)−1
Q69·MathematicsSingle correct
If the value of 5cos36∘−3sin18∘3cos36∘+5sin18∘ is ca5−b, where a, b, c are natural numbers and gcd(a,c)=1, then a+b+c is equal to
(A)50
(B)40
(C)52
(D)54
Q70·MathematicsSingle correct
Let y=y(x) be the solution curve of the differential equation secydxdy+2xsiny=x3cosy, y(1)=0. Then y(3) is equal to
(A)3π
(B)6π
(C)4π
(D)12π
Q71·MathematicsSingle correct
The area of the region in the first quadrant inside the circle x2+y2=8 and outside the parabola y2=2x is equal to
(A)2π−31
(B)π−32
(C)2π−32
(D)π−31
Q72·MathematicsSingle correct
If the line segment joining the points (5,2) and (2,a) subtends an angle 4π at the origin, then the absolute value of the product of all possible values of a is
(A)6
(B)8
(C)2
(D)4
Q73·MathematicsSingle correct
Let a=4i^−j^+k^, b=11i^−j^+k^ and c be a vector such that (a+b)×c=c×(−2a+3b). If (2a+3b)⋅c=1670, then ∣c∣2 is equal to
(A)1627
(B)1618
(C)1600
(D)1609
Q74·MathematicsSingle correct
If the function f(x)=2x3−9ax2+12a2x+1, a>0 has a local maximum at x=α and a local minimum at x=α2, then α and α2 are the roots of the equation
(A)x2−6x+8=0
(B)8x2−6x+8=0
(C)8x2−6x+1=0
(D)x2+6x+8=0
Q75·MathematicsSingle correct
There are three bags X, Y and Z. Bag X contains 5 one-rupee coins and 4 five-rupee coins; Bag Y contains 4 one-rupee coins and 5 five-rupee coins and Bag Z contains 3 one-rupee coins and 6 five-rupee coins. A bag is selected at random and a coin drawn from it at random is found to be a one-rupee coin. Then the probability, that it came from bag Y, is
(A)31
(B)21
(C)41
(D)125
Q76·MathematicsSingle correct
Let ∫aloge4ex−1dx=6π. Then ea and e−a are the roots of the equation
(A)2x2−5x+2=0
(B)x2−2x−8=0
(C)2x2−5x−2=0
(D)x2+2x−8=0
Q77·MathematicsSingle correct
Let f(x)={−ax+aif −a≤x≤0if 0<x≤a where a>0 and g(x)=2f(∣x∣)−∣f(x)∣. Then the function g:[−a,a]→[−a,a] is
(A)neither one-one nor onto.
(B)both one-one and onto.
(C)one-one.
(D)onto
Q78·MathematicsSingle correct
Let A={2,3,6,8,9,11} and B={1,4,5,10,15}. Let R be a relation on A×B defined by (a,b)R(c,d) if and only if 3ad−7bc is an even integer. Then the relation R is
(A)reflexive but not symmetric.
(B)transitive but not symmetric.
(C)reflexive and symmetric but not transitive.
(D)an equivalence relation.
Q79·MathematicsSingle correct
For a,b>0, let f(x)=⎩⎨⎧xtan((a+1)x)+btanx3baxxax+b2x2−ax,x<0,x=0,x>0 be a continuous function at x=0. Then ab is equal to
(A)5
(B)4
(C)8
(D)6
Q80·MathematicsSingle correct
If the term independent of x in the expansion of (ax2+2x31)10 is 105, then a2 is equal to
(A)4
(B)9
(C)6
(D)2
Q81·MathematicsNumerical
Let A be the region enclosed by the parabola y2=2x and the line x=24. Then the maximum area of the rectangle inscribed in the region A is _______ .
Q82·MathematicsNumerical
If α=x→0+lim(tanx−xetanx−ex) and β=x→0lim(1+sinx)21cotx are the roots of the quadratic equation ax2+bx−e=0, then 12loge(a+b) is equal to _______ .
Q83·MathematicsNumerical
Let S be the focus of the hyperbola 3x2−5y2=1, on the positive x-axis. Let C be the circle with its centre at A(6,5) and passing through the point S. If O is the origin and SAB is a diameter of C, then the square of the area of the triangle OSB is equal to _______ .
Q84·MathematicsNumerical
Let P(α,β,γ) be the image of the point Q(1,6,4) in the line 1x=2y−1=3z−2. Then 2α+β+γ is equal to _______ .
Q85·MathematicsNumerical
An arithmetic progression is written in the following way: row 1 is 2; row 2 is 5,8; row 3 is 11,14,17; row 4 is 20,23,26,29; and so on. The sum of all the terms of the 10th row is _______ .
Q86·MathematicsNumerical
The number of distinct real roots of the equation ∣x+1∣∣x+3∣−4∣x+2∣+5=0, is _______ .
Q87·MathematicsNumerical
Let a ray of light passing through the point (3,10) reflect on the line 2x+y=6 and the reflected ray pass through the point (7,2). If the equation of the incident ray is ax+by+1=0, then a2+b2+3ab is equal to _______ .
Q88·MathematicsNumerical
Let a, b, c∈N and a<b<c. Let the mean, the mean deviation about the mean and the variance of the 5 observations 9, 25, a, b, c be 18, 4 and 5136, respectively. Then 2a+b−c is equal to _______ .
Q89·MathematicsNumerical
Let α∣x∣=∣y∣exy−β, α,β∈N be the solution of the differential equation xdy−ydx+xy(xdy+ydx)=0, y(1)=2. Then α+β is equal to _______ .
Q90·MathematicsNumerical
If ∫5(x−1)4(x+3)61dx=A(βx+3αx−1)B+C, where C is the constant of integration, then the value of α+β+20AB is _______ .
Chapters tested in this paper
Open any chapter to practise every past-year question on that topic across all papers, and see how often it has actually appeared.
Take the 8 April 2024 Shift 2 paper as a timed mock and Jarvis marks it, then tells you which errors were conceptual gaps, which were silly mistakes, and which pattern you have now repeated. Step-by-step solutions for every question included.