KCET 2023 Mathematics Question Paper: Download Set B1 Question Paper with Answer Key PDF

Shivam Yadav's profile photo

Shivam Yadav

Updated on - Nov 15, 2025

KCET 2023 Mathematics Question Paper Set B1 is available here for download. KCET 2023 Question Paper May 20 Shift 2 2:30 PM to 3:50 PM was conducted for Mathematics Paper. KCET 2023 Question Paper included 60 MCQ-based questions in total. Each candidate will be awarded +1 for correct answers, however, there will be no negative marking for incorrect responses. Students got 80 minutes to attempt KCET 2023 Mathematics Question Paper.

KCET 2023 Mathematics Question Paper with Answer Key PDF Set B1

KCET 2024 Mathematics Question Paper with Answer Key download iconDownload Check Solutions

kcet 2023

KCET 2023 Mathematics Questions with Solutions

Question 1:

If y = a sin x + b cos x, then y² + (dy/dx)² is a:

  • (A) constant
  • (B) function of x
  • (C) function of y
  • (D) function of x and y

Question 2:

If f(x) = 1 + nx + [n(n-1)x²]/2! + [n(n-1)(n-2)x³]/3! + ... + xⁿ, then f"(1) is:

  • (A) 2ⁿ⁻¹
  • (B) (n - 2)2ⁿ⁻¹
  • (C) n(n - 1)2ⁿ⁻²
  • (D) n(n - 1)2ⁿ

Question 3:

If A = [[1, tan(x/2)], [tan(x/2), 1]] and AB = I, then B =:

  • (A) sin²(x/2) * A
  • (B) cos²(x/2) * A
  • (C) cos²(x/2) * Aᵀ
  • (D) cos²(x/2) * I

Question 4:

If u = sin⁻¹[2x/(1+x²)] and v = tan⁻¹[2x/(1-x²)], then du/dv is:

  • (A) 1
  • (B) 1/2
  • (C) 2
  • (D) √(1-x²)

Question 5:

The function f(x) = cot x is discontinuous on every point of the set:

  • (A) {x = π/2 + nπ, n ∈ Z}
  • (B) {x = nπ, n ∈ Z}
  • (C) {x = [(2n+1)π]/2, n ∈ Z}
  • (D) {x = π/3 + nπ, n ∈ Z}

Question 7:

An enemy fighter jet is flying along the curve given by y = -x² + 2. A soldier is placed at (3,2) and wants to shoot down the jet when it is nearest to him. Then the nearest distance is:

  • (A) √5 units
  • (B) √3 units
  • (C) √6 units
  • (D) 2 units

Question 8:

Evaluate ∫[2 to 5] (√(10-x)) / (5√x + 5√(10-x)) dx:

  • (A) 3
  • (B) 5
  • (C) 6
  • (D) 4

Question 9:

Evaluate the integral: ∫ √(cosec x – sin x) dx

  • (A) (2/√(sin x)) + C
  • (B) √(sin x) + C
  • (C) √(sin x) / 2 + C
  • (D) 2√(sin x) + C

Question 10:

If f(x) and g(x) are two functions with g(x) = x - (1/x) and f(g(x)) = x³ - (1/x³), then f'(x) is:

  • (A) 3x² - (3/x²)
  • (B) x² - (1/x²)
  • (C) 3x² + (1/x²)
  • (D) 3x³ - (1/x³)

Question 11:

A circular plate of radius 5 cm is heated. Due to expansion, its radius increases at the rate of 0.05 cm/sec. The rate at which its area is increasing when the radius is 5.2 cm is:

  • (A) 0.52π cm²/sec
  • (B) 5.2π cm²/sec
  • (C) 27.4π cm²/sec
  • (D) 5.05π cm²/sec

Question 12:

The distance s in meters travelled by a particle in t seconds is given by s = (2t³)/3 - 18t + (5/3). The acceleration when the particle comes to rest is:

  • (A) 18 m²/sec
  • (B) 3 m²/sec
  • (C) 10 m²/sec
  • (D) 12 m²/sec

Question 13:

A particle moves along the curve x²/4 + y²/16 = 1. When the rate of change of abscissa is 4 times that of its ordinate, then the quadrant in which the particle lies is:

  • (A) II or III
  • (B) I or III
  • (C) II or IV
  • (D) III or IV

Question 15:

Evaluate ∫ dx/(1+3sin²x+8cos²x):

  • (A) (1/6) tan⁻¹((2tanx)/4) + C
  • (B) (1/3) tan⁻¹(2 tan x) + C
  • (C) tan⁻¹((2tanx)/3) + C
  • (D) (1/6) tan⁻¹((2tanx)/3) + C

Question 16:

Evaluate ∫[-2 to 2] (x³ + 3x² + 3x + 3 + (x + 1)) cos x dx:

  • (A) 1
  • (B) 0
  • (C) 3
  • (D) 4
Correct Answer: (B) 0
View Solution

Question 17:

Evaluate ∫[0 to π] (x tan x) / (sec x * csc x) dx:

  • (A) π/2
  • (B) π/4
  • (C) π
  • (D) π/8
Correct Answer: (B) π/4
View Solution

Question 20:

In the interval (0, π/2), the area lying between the curves y = tan x and y = cot x and the x-axis is:

  • (A) log 2 sq. units
  • (B) 3log 2 sq. units
  • (C) 2log 2 sq. units
  • (D) 4log 2 sq. units

Question 21:

The area of the region bounded by the line y = x - x + 1, and the lines x = 3 and x = 5 is:

  • (A) 7 sq. units
  • (B) 10 sq. units
  • (C) 7/2 sq. units
  • (D) 11/2 sq. units

Question 22:

If a curve passes through the point (1, 1) and at any point (x, y) on the curve, the product of the slope of its tangent and the x-coordinate of the point is equal to the y-coordinate of the point, then the curve also passes through the point:

  • (A) (√3, 0)
  • (B) (2, 2)
  • (C) (3, 0)
  • (D) (-1, 2)

Question 26:

If (2, 3, -1) is the foot of the perpendicular from (4, 2, 1) to a plane, then the equation of the plane is:

  • (A) 2x + y + 2z - 5 = 0
  • (B) 2x - y + 2z + 1 = 0
  • (C) 2x + y + 2z - 1 = 0
  • (D) 2x - y + 2z = 0

Question 27:

If |a × b|² + |a · b|² = 144 and |a| = 4, then |b| is equal to:

  • (A) 4
  • (B) 12
  • (C) 3
  • (D) 8

Question 28:

If a + 2b + 3c = 0 and (a × b) + (b × c) + (c × a) = λ(b × c), then the value of λ is equal to:

  • (A) 6
  • (B) 2
  • (C) 3
  • (D) 4

Question 29:

If a line makes an angle of π/3 with each X and Y axis, then the acute angle made by the Z-axis is:

  • (A) π/4
  • (B) π/6
  • (C) π/3
  • (D) π/2

Question 30:

The length of perpendicular drawn from the point (3, -1, 11) to the line x/2 = (y-2)/3 = (z-3)/4 is:

  • (A) √53
  • (B) √66
  • (C) √29
  • (D) √33

Question 32:

If A and B are events such that P(A) = 1/4, P(A | B) = 1/2 and P(B|A) = 2/3, then P(B) is:

  • (A) 1/4
  • (B) 1/6
  • (C) 1/3
  • (D) 2/3

Question 33:

A bag contains 2n + 1 coins. It is known that n of these coins have heads on both sides, whereas the other n+1 coins are fair. One coin is selected at random and tossed. If the probability that the toss results in heads is 31/42, then the value of n is:

  • (A) 10
  • (B) 5
  • (C) 6
  • (D) 8

Question 34:

Let A = {x, y, z, u} and B = {a, b}. A function f : A → B is selected randomly. The probability that the function is an onto function is:

  • (A) 1/4
  • (B) 3/8
  • (C) 7/8
  • (D) 5/8

Question 35:

The modulus of the complex number (1+i)²(1+3i) ÷ (2−6i)(2−2i) is:

  • (A) √2/2
  • (B) 1/√2
  • (C) √2
  • (D) 1/√2

Question 36:

Given that a,b and x are real numbers and a < b, x < 0, then:

  • (A) a/x < b/x
  • (B) a/x >= b/x
  • (C) a/x > b/x
  • (D) a/x <= b/x

Question 37:

Ten chairs are numbered as 1 to 10. Three women and two men wish to occupy one chair each. First, the women choose the chairs marked 1 to 6, and then the men choose the chairs from the remaining. The number of possible ways is:

  • (A) 6P3 × 4C2
  • (B) 6C3 × 4C2
  • (C) 6P3 × 4P2
  • (D) 6C3 × 4P2

Question 38:

Which of the following is an empty set?

  • (A) {x : x2 - 9 = 0, x ∈ R}
  • (B) {x : x2 - 1 = 0, x ∈ R}
  • (C) {x : x2 = x + 2, x ∈ R}
  • (D) {x : x2 + 1 = 0, x ∈ R}

Question 39:

If f(x) = ax+b, where a and b are integers, f(-1) = −5 and f(3) = 3, then a and b are respectively:

  • (A) 2, 3
  • (B) -3, -1
  • (C) 2, -3
  • (D) 0, 2

Question 40:

The value of elog₁₀(tan 1°) + log₁₀(tan 2°) + log₁₀(tan 3°) + … + log₁₀(tan 89°) is:

  • (A) 1
  • (B) 0
  • (C) 3
  • (D) e

Question 41:

The value of (sin² 14°/sin² 66°) + (sin² 66°/sin² 14°) + (tan 135°/tan 135°) is:

  • (A) 2
  • (B) -1
  • (C) 0
  • (D) 1

Question 44:

If n is even and the middle term in the expansion of (x² + 1/x)ⁿ is 924x⁶, then n is equal to:

  • (A) 8
  • (B) 10
  • (C) 12
  • (D) 14

Question 45:

The n-th term of the series 1 + 3/7 + 5/7² + 7/7³ + ... is:

  • (A) (2n+1)/7n-1
  • (B) (2n-1)/7n
  • (C) (2n+1)/7n
  • (D) (2n-1)/7n-1

Question 46:

If p(1/p + 1/r), q(1/r + 1/p), r(1/p + 1/q) are in A.P., then p, q, r are:

  • (A) Not in G.P.
  • (B) Not in A.P.
  • (C) In G.P.
  • (D) In A.P.

Question 47:

A line passes through (2, 2) and is perpendicular to the line 3x + y = 3. Its y-intercept is:

  • (A) 4/3
  • (B) 1/3
  • (C) 2/3
  • (D) 1

Question 50:

The contrapositive of the statement "If two lines do not intersect in the same plane then they are parallel." is:

  • (A) If two lines are parallel then they do not intersect in the same plane.
  • (B) If two lines are not parallel then they intersect in the same plane.
  • (C) If two lines are parallel then they intersect in the same plane.
  • (D) If two lines are not parallel then they do not intersect in the same plane.

Question 51:

The mean of 100 observations is 50 and the standard deviation is 5. Then the sum of squares of all observations is:

  • (A) 255000
  • (B) 50000
  • (C) 252500
  • (D) 250000

Question 52:

Let f: R → R and g : [0,∞) → R be defined by f(x) = x² and g(x) = √x. Which one of the following is not true?

  • (A) (g ο f)(-2) = 2
  • (B) (g ο f)(4) = 4
  • (C) (f ο g)(-4) = 4
  • (D) (f ο g)(2) = 2

Question 53:

Let f : R → R be defined by f(x) = 3x² - 5 and g : R → R by g(x) = x/(x²+1). Then g ο f is:

  • (A) (3x² - 5) / (9x⁴ + 30x² - 2)
  • (B) (3x² - 5) / (9x⁴ - 30x² + 26)
  • (C) (3x² - 5) / (9x⁴ - 6x² + 26)
  • (D) (3x² - 5) / (3x⁴ + 4x²)


KCET 2023 Paper Analysis May 20

KCET 2023 paper analysis May 20 is available here. Candidates can check KCET 2023 paper analysis by clicking on the link provided below.

Also Check:

KCET Previous Year Question Paper

Similar B.Tech Exam Question Papers

Fees Structure

Structure based on different categories

CategoriesState
General750
sc500

Note: INR 750/- in case of candidates residing outside the state of Karnataka and INR 5,000/- in case of candidates residing outside India.

In case of any inaccuracy, Notify Us! 

Comments


No Comments To Show