KCET 2023 Mathematics Question Paper: Download Set C4 Question Paper with Answer Key PDF

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Shivam Yadav

Updated on - Nov 15, 2025

KCET 2023 Mathematics Question Paper Set C4 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 is 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 C4

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KCET 2023 Mathematics Questions with Solutions

Question 1:

Evaluate the integral ∫ √(5 - 2x + x²) dx:

(A) (x-1)/2√5 - 2x + x² + 2 log |x − 1| + √5 – 2x + x² + C
(B) (x-1)/2√5 – 2x + x² + 2log |x + 1| + √5 – 2x + x² + C
(C) x/2√5 – 2x + x² + 4log |x + 1| + √5 – 2x + x² + C
(D) x/2√5+ 2x + x² + 2 log |x-1| + √5 + 2x + x² + C


Question 2:

Evaluate the integral:

1/(1+3 sin²x + 8 cos² x) dx

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

Question 3:

Evaluate the definite integral:

0-2 (x³ + 3x² + 3x + 3) cos(x + 1) dx
  • (A) 1
  • (B) 0
  • (C) 3
  • (D) 4

Question 4:

Evaluate the integral:

π0 (x tan x) / (sec x * csc x) dx
  • (A) π/4
  • (B) π/2
  • (C) π2/4
  • (D) π/6

Question 5:

If |a + b| = |a - b|, then:

  • (A) a and b are inclined to each other at 60°
  • (B) a and b are perpendicular
  • (C) a and b are parallel
  • (D) a and b are coincident

Question 6:

The component of î in the direction of the vector i + j + 2k is:

  • (A) √6/6
  • (B) √6
  • (C) 6
  • (D) 4/6

Question 7:

In the interval (0, π/2), the area lying between the curves y = tanx 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) 4 log 2 sq. units

Question 8:

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

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

Question 9:

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 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 10:

The degree of the differential equation

1+ (dy/dx)2)3/2 = (d²y/dx²+ 1)
  • (A) 2
  • (B) 6
  • (C) 3
  • (D) 1

Question 11:

The equation of the plane through the points (2, 1, 0), (3, 2, -2), and (3, 1, 7) is:

  • (A) 7x - 9y – 2z - 5 = 0
  • (B) 3x - 2y + 6z - 27 = 0
  • (C) 2x – 3y + 4z - 27 = 0
  • (D) 6x – 3y + 2z-7=0

Question 12:

The point of intersection of the line (x - 1)/3 = (y+3)/3 = (z+2)/2 with the plane 3x + 4y + 5z = 10 is:

  • (A) (2, 6, 4)
  • (B) (-2, 6, -4)
  • (C) (2, -6, -4)
  • (D) (2, 6, -4)

Question 13:

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 + 2x + 1 = 0
  • (C) 2x + y + 2z − 1 = 0
  • (D) 2x - y + 2z = 0

Question 14:

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 15:

If â+2b+3ĉ = 0 and (axb)+(bxê)+(ĉxâ) = λ(b×ĉ), then the value of 入 is equal to:

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

Question 16:

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/3
  • (B) π/4
  • (C) π/6
  • (D) π/5

Question 17:

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

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

Question 18:

The shaded region in the figure is the solution of which of the inequalities?

figure

  • (A) x + y ≤ 7, 2x – 3y + 6 < 0, x ≥ 0, y ≥ 0
  • (B) x + y ≤ 7, 2x – 3y + 6 ≥ 0, x ≥ 0, y ≥ 0
  • (C) x + y ≥ 7, 2x – 3y + 6 < 0, x ≥ 0, y ≥ 0
  • (D) x + y ≥ 7, 2x – 3y + 6 ≥ 0, x ≥ 0, y ≥ 0

Question 19:

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

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

Question 20:

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

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

Question 21:

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

  • (A) 3/5
  • (B) 7/8
  • (C) 1/2
  • (D) 5/8

Question 22:

The modulus of the complex number ((1+i)2(1-3i))/((2+√6i)(2-2i)) is:

  • (A) √3/2
  • (B) √5/2
  • (C) √2
  • (D) √3

Question 23:

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/xb/x
  • (D) a/xb/x

Question 24:

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, then the men choose the chairs from the remaining. The number of possible ways is:

  • (A) 5P3 × 6C2
  • (B) 6C3 × 4C2
  • (C) 5P3 × 4P2
  • (D) 6C3 × 4P2

Question 25:

Which of the following is an empty set?

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

Question 26:

If f(x) = ax + b, where a and b are integers, and 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 27:

The value of log10 tan 1° + log10 tan 2° + log10 tan 3° + ... + log10 tan 89° is:

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

Question 28:

The value of | sin² 14° sin² 66° tan 135°| | sin² 66° tan 135° sin² 14° | is: | tan 135° sin² 14° sin² 66° |

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

Question 29:

The distance between the foci of a hyperbola is 16 and its eccentricity is √2. Its equation is:

  • (A) y² – x² = 32
  • (B) x² - y² = 32
  • (C) (x²/3) – (y²/4) = 1
  • (D) 2x² – 3y² = 7

Question 30:

If limx→0 (sin(2 + x) - sin(2 – x))/x = A cos B then the values of A and B respectively are:

  • (A) 1, 1
  • (B) 2, 2
  • (C) 1, 2
  • (D) 2, 1

Question 31:

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

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

Question 32:

The nth term of the series: 1 + 5/7 + 5/ + 5/ + ...

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

Question 33:

If p, q, r are in arithmetic progression and if: (1/q + 1/r)/p, (1/r + 1/p)/q, (1/p + 1/q)/r 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 34:

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 35:

Let the relation R be defined in N by aRb if 3a + 2b = 27, then R is:

  • (A) {(2, 1), (9, 3), (6, 5), (3, 7)}
  • (B){(1, 12), (3, 9), (5, 6), (7, 3)}
  • (C){(0, 27/2), (1, 12), (3, 9), (5, 6), (7, 3)}
  • (D){(1, 12), (3, 9), (5, 6), (7, 3), (9,0)}

Question 36:

Let f(x) = sin 2x+cos 2x and g(x) = x²-1, then g(f(x)) is invertible in the domain:

  • (A) x ∈ [0,1]
  • (B) x ∈ [-π/4,π/4]
  • (C) x ∈ [-π/8,π/8]
  • (D) x ∈ [-π/3,π/3]

Question 37:

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 38:

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

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

Question 39:

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

Question 40:

Let f: R → R be defined by f(x) = 3x² - 5 and g: R→R by g(x) = (3x²-5)/(x²+1), then g o f is:

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

Question 41:

If A = |(2-k) 2| |( 1 ) (3-k)| is a singular matrix, then the value of 5k – k² is equal to:

  • (A) 6
  • (B) 4
  • (C) -6
  • (D) -4

Question 42:

The area of a triangle with vertices (-3,0), (3,0), and (0,k) is 9 square units, the value of k is:

  • (A) 3
  • (B) -9
  • (C) -9
  • (D) 6

Question 43:

If Δ = |1 a a2; 1 b b2; 1 c c2| and Δ1 = |1 bc ca; 1 ca ab; a b c|, then:

  • (A) Δ1 = A
  • (B) Δ1 = Δ
  • (C) Δ1 = 3A
  • (D) Δ1 = Δ

Question 44:

If sin-1((2α)/(1+α²)) + cos-1((1-α²)/(1+α²)) = tan-1((2x)/(1-x²)) where α, x ∈ (0,1), then the value of x is:

  • (A) (2α)/(1-α²)
  • (B) 0
  • (C) α/2
  • (D) (2α)/(1+α²)

Question 45:

The value of coth-1(√(1 + sin x)/√(1 - sin x) + √(1 - sin x)/√(1 + sin x)) where x ∈ (0, π/2) is:

  • (A) x/3
  • (B) x/2
  • (C) π/3
  • (D) π - x/3

Question 46:

If x[3 2] + y[1  -1]  = [15  5] then the value of x and y are

  • (A) x = -4, y = 3
  • (B) x = 4, y = 3
  • (C) x = 4, y = -3
  • (D) x = -4, y = -3

Question 47:

If A and B are two matrices such that AB = B and BA = A, then A² + B² is:

  • (A) 2BA
  • (B) A + B
  • (C) 2AB
  • (D) AB

Question 48:

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

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

Question 49:

If f(x) = 1 + nx + n(n-1)/2 x² + n(n-1)(n-2)/6 x³ + ... + xn, then f"(1) is:

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

Question 50:

If A = | 1 tan α/2| and AB =I then B = |-tan α/2 1 |

  • (A) sin² α I
  • (B) cos² α/2 I
  • (C) cos² α I
  • (D) cos² α/2 I

Question 51:

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) 3/4

Question 52:

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

  • (A) x = π/n, n ∈ Z
  • (B) x = nπ, n ∈ Z
  • (C) x = 2nπ, n ∈ Z
  • (D) x = (2n + 1)π/2, n ∈ Z

Question 53:

If the function is f(x) = 1/(x+2), then the point of discontinuity of the composite function y = f(f(x)) is:

  • (A) 1/4
  • (B) -5/2
  • (C) 3/4
  • (D) 5/4

Question 54:

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 55:

Evaluate the integral ∫28 (5√(10-x))/(5√x + 5√(10-x)) dx:

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

Question 56:

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

  • (A) 2√(sin x) + C
  • (B) √(sin x) + C
  • (C) 4√(sin x) + C
  • (D) 2√(cos x) + C

Question 57:

If f(x) and g(x) are two functions with g(x) = x - 1/x and f o g(x) = x³ - 3/x, then f'(x) is:

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

Question 58:

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 59:

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 m/sec²
  • (B) 3 m/sec²
  • (C) 10 m/sec²
  • (D) 12 m/sec²

Question 60:

A particle moves along the curve x²/16 + y²/4 = 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


KCET 2023 Paper Analysis May 20

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