Practice Questions

Q64.The sum of the coefficient of x2/3 and x−2/5 in the binomial expansion of (x2/3 + 12 x−2/5) 9 (1) 21/4 (2) 63/16 (3) 19/4 (4) 69/16

Q64.If the coefficients of x4, x5 and x6 in the expansion of (1 + x)n are in the arithmetic progression, then the maximum value of n is: (1) 7 (2) 21 (3) 28 (4) 14

Q64.Let 𝑚 and 𝑛 be the coefficients of seventh and thirteenth terms respectively in the expansion of 3 + 2 3𝑥 2𝑥 3 1 . Then 𝑛 3 is: 𝑚 (1) 4 (2) 1 9 9 1 9 (3) (4) 4 4

Q64.If the constant term in the expansion of 12 + , x ≠0, is α × 28 × 5√3, then 25α is equal to : ( 5√3x 2x ) 3√5 (1) 724 (2) 742 (3) 639 (4) 693

Q64.Let the first three terms 2, p and q , with q ≠2, of a G.P. be respectively the 7th , 8th and 13th terms of an A.P. If the 5th term of the G.P. is the nth term of the A.P., then n is equal to: (1) 163 (2) 151 (3) 177 (4) 169

Q64.Let 3, 𝑎, 𝑏, 𝑐 be in 𝐴. 𝑃. and 3, 𝑎−1, 𝑏+ 1, 𝑐+ 9 be in 𝐺. 𝑃. Then, the arithmetic mean of 𝑎, 𝑏 and 𝑐 is: (1) -4 (2) -1 (3) 13 (4) 11 1 √𝑥

Q64.If α, −π2 < α < π2 is the solution of 4 cos θ + 5 sin θ = 1, then the value of tan α is (1) 10−√10 (2) 10−√10 6 12 (3) √10−10 (4) √10−10 12 6

Q64.If 2tan2𝜃- 5sec𝜃= 1 has exactly 7 solutions in the interval 0, n𝜋 , for the least value of n ∈N then n k is 2 ∑k = 1 2k equal to : - 15 (1) 2152141 - 14 (2) 2142151 15 1 (3) 1 - (4) - 15 213 213214

Q64.If the term independent of x in the expansion of (√ax2 + 2x31 )10 is 105 , then a2 is equal to : (1) 2 (2) 4 (3) 6 (4) 9 JEE Main 2024 (08 Apr Shift 2) JEE Main Previous Year Paper cos 36∘+5 sin 18∘

Q64.For 𝛼, 𝛽∈0, let 3sin ( 𝛼+ 𝛽) = 2sin ( 𝛼- 𝛽) and a real number 𝑘 be such that tan𝛼= tan𝛽. Then the 2 value of 𝑘 is equal to (1) -5 (2) 5 (3) 2 (4) -2 3 3

Q64.Let |cos θ cos(60 −θ) cos(60 + θ)| ≤18 , θϵ[0, 2π]. Then, the sum of all θϵ[0, 2π], where cos 3θ attains its maximum value, is : (1) 15π (2) 18π (3) 6π (4) 9π

Q64.Let 2nd, 8th and 44th, terms of a non-constant 𝐴. 𝑃. be respectively the 1st, 2nd and 3rd terms of 𝐺. 𝑃. If the first term of A.P. is 1 then the sum of first 20 terms is equal to- (1) 980 (2) 960 (3) 990 (4) 970

Q64.Let ABC be an equilateral triangle. A new triangle is formed by joining the middle points of all sides of the triangle ABC and the same process is repeated infinitely many times. If P is the sum of perimeters and Q is be the sum of areas of all the triangles formed in this process, then : (1) P2 = 6√3Q (2) P2 = 36√3Q (3) P = 36√3Q2 (4) P2 = 72√3Q

Q65.If for some 𝑚, 𝑛; 6 𝐶𝑚+ 26𝐶𝑚+ 1+6𝐶𝑚+ 2 >8 𝐶3 and 𝑛−1𝑃3:𝑛𝑃4 = 1: 8, then 𝑛𝑃𝑚+ 1+𝑛+ 1𝐶𝑚 is equal to (1) 380 (2) 376 (3) 384 (4) 372 JEE Main 2024 (31 Jan Shift 2) JEE Main Previous Year Paper

Q65.Let (5, a4 ), be the circumcenter of a triangle with vertices A(a, −2), B(a, 6) and C( a4 , −2). Let α denote the circumradius, β denote the area and γ denote the perimeter of the triangle. Then α + β + γ is (1) 60 (2) 53 (3) 62 (4) 30 JEE Main 2024 (29 Jan Shift 1) JEE Main Previous Year Paper

Q65.If the circles (x + 1)2 + (y + 2)2 = r2 and x2 + y2 −4x −4y + 4 = 0 intersect at exactly two distinct points, then (1) 5 < r < 9 (2) 0 < r < 7 (3) 3 < r < 7 (4) 21 < r < 7

Q65.The equations of two sides AB and AC of a triangle ABC are 4x + y = 14 and 3x −2y = 5, respectively. The point (2, −43 ) divides the third side BC internally in the ratio 2 : 1. the equation of the side BC is (1) x + 3y + 2 = 0 (2) x −6y −10 = 0 (3) x −3y −6 = 0 (4) x + 6y + 6 = 0 touch each other

Q65.If A(3, 1, −1), B ( 35 , 37 , 13 ), C(2, 2, 1) and D ( 103 , 23 , −13 ) are the vertices of a quadrilateral ABCD, then its area is (1) 2√2 (2) 5√2 3 3 (3) 2√2 (4) 4√2 3

Q65.The portion of the line 4x + 5y = 20 in the first quadrant is trisected by the lines L1 and L2 passing through the origin. The tangent of an angle between the lines L1 and L2 is : (1) 8 (2) 25 5 41 (3) 2 (4) 30 5 41

Q65.A ray of light coming from the point P(1, 2) gets reflected from the point Q on the x-axis and then passes through the point R(4, 3). If the point S(h, k) is such that PQRS is a parallelogram, then hk2 is equal to : (1) 70 (2) 80 (3) 60 (4) 90

Q65.If one of the diameters of the circle 𝑥2 + 𝑦2 - 10𝑥+ 4𝑦+ 13 = 0 is a chord of another circle 𝐶, whose center is the point of intersection of the lines 2𝑥+ 3𝑦= 12 and 3𝑥- 2𝑦= 5, then the radius of the circle 𝐶 is (1) √20 (2) 4 (3) 6 (4) 3√2

Q65.If A(1, −1, 2), B(5, 7, −6), C(3, 4, −10) and D(−1, −4, −2) are the vertices of a quadrilateral ABCD , then its area is : (1) 48√7 (2) 12√29 (3) 24√7 (4) 24√29

Q65.Let A(−1, 1) and B(2, 3) be two points and P be a variable point above the line AB such that the area of △PAB is 10 . If the locus of P is ax + by = 15, then 5a + 2 b is : (1) 6 (2) −65 (3) 4 (4) −125

Q65.The sum of all rational terms in the expansion of 1 1 15 is equal to : 5 + 5 3 (2 ) (1) 3133 (2) 931 (3) 6131 (4) 633 JEE Main 2024 (04 Apr Shift 1) JEE Main Previous Year Paper

Q65.If 𝑥2 - 𝑦2 + 2ℎ𝑥𝑦+ 2𝑔𝑥+ 2𝑓𝑦+ 𝑐= 0 is the locus of a point, which moves such that it is always equidistant from the lines 𝑥+ 2𝑦+ 7 = 0 and 2𝑥- 𝑦+ 8 = 0, then the value of 𝑔+ 𝑐+ ℎ- 𝑓 equals (1) 14 (2) 6 (3) 8 (4) 29