CUET Mathematics Question Paper 2024 Set A (Available)- Download Solutions and Answer Key pdf

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Shivam Yadav

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CUET Mathematics Question Paper 2024 (Set A) is available here for download. NTA is going to conduct CUET 2024 Mathematics paper on 16 May in Shift 2B from 5:15 PM to 6:15 PM. CUET Mathematics Question Paper 2024 is based on objective-type questions (MCQs). Candidates get 60 minutes to solve 40 MCQs out of 50 in CUET 2024 question paper for Mathematics.

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CUET 2024 Mathematics Question Paper with Solution

Question 1:

The corner points of the feasible region determined by x + y ≤ 8, 2x + y ≥ 8, x ≥ 0, y ≥ 0 are A(0, 8), B(4, 0) and C(8, 0). If the objective function Z = ax + by has its maximum value on the line segment AB, then the relation between a and b is:

  1. (1) 8a + 4 = b
  2. (2) a = 2b
  3. (3) b = 2a
  4. (4) 8b + 4 = a

Question 2:

If t = e²ˣ and y = logₑ t², then d²y/dx² is:

  1. (1) 0
  2. (2) 4t
  3. (3) 2t/4e²ᵗ
  4. (4) 2t²/e(4t - 1)t

Question 3:

An objective function Z = ax + by is maximum at points (8, 2) and (4, 6). If a ≥ 0 and b ≥ 0 and ab = 25, then the maximum value of the function is equal to:

  1. (1) 60
  2. (2) 50
  3. (3) 40
  4. (4) 80

Question 4:

The area of the region bounded by the lines x + 2y = 12, x = 2, x = 6, and the x-axis is:

  1. (1) 34 sq units
  2. (2) 20 sq units
  3. (3) 24 sq units
  4. (4) 16 sq units

Question 5:

A die is rolled thrice. What is the probability of getting a number greater than 4 in the first and the second throw of dice and a number less than 4 in the third throw?

  1. (1) 1/3
  2. (2) 1/6
  3. (3) 1/9
  4. (4) 1/18

Question 6:

Evaluate the integral:

∫ (x + 1)ⁿ dx = ?

  1. (1) n⁻¹ xⁿ + C
  2. (2) n eⁿ x – 1 log C
  3. (3) n eⁿ x 1 log C
  4. (4) n eⁿ x log C

Question 7:

Find the value of:

∫ (a – bx)² dx from 0 to 2

  1. (1) (a – b)(a + b)
  2. (2) a – b
  3. (3) (a + b)²
  4. (4) (1 / (a + b))

Question 8:

Find the second derivative of:

y = 5x logₑ 5

  1. (1) 5x logₑ 5
  2. (2) 5x (logₑ 5)²
  3. (3) x e⁵ log 5
  4. (4) x² e⁵ (log 5)

Question 9:

What is the degree of the following differential equation?

(dy/dx)² + (dy/dx) = 1 - k

  1. (1) 1
  2. (2) 2
  3. (3) 3
  4. (4) 3/2

Question 10:

If A and B are symmetric matrices of the same order, then AB – BA is a:

  1. (1) Symmetric matrix
  2. (2) Zero matrix
  3. (3) Skew symmetric matrix
  4. (4) Identity matrix

Question 11:

If A is a square matrix of order 4 and |A|= 4, then |2A| will be:

  1. (1) 8
  2. (2) 64
  3. (3) 16
  4. (4) 4

Question 12:

If [A]₃×₂ [B]ₓᵧ = [C]₃×₁, then:

  1. (1) x = 1, y = 3
  2. (2) x = 2, y = 1
  3. (3) x = 3, y = 3
  4. (4) x = 3, y = 1

Question 13:

If a function f(x) = x² + bx + 1 is increasing in the interval [1, 2], then the least value of b is:

  1. (1) 5
  2. (2) 0
  3. (3) –2
  4. (4) –4

Question 14:

Two dice are thrown simultaneously. If X denotes the number of fours, then the expectation of X will be:

  1. (1) 5/9
  2. (2) 1/3
  3. (3) 4/7
  4. (4) 3/8

Question 15:

For the function f(x) = 2x³ – 9x² + 12x – 5, x ∈ [0, 3], match List-I with List-II:

List-I
(A) Absolute maximum value
(B) Absolute minimum value
(C) Point of maxima
(D) Point of minima

List-II
(I) 3
(II) 0
(III) –5
(IV) 4

  1. (1) (A) - (IV), (B) - (II), (C) - (I), (D) - (III)
  2. (2) (A) - (II), (B) - (III), (C) - (I), (D) - (IV)
  3. (3) (A) - (IV), (B) - (III), (C) - (II), (D) - (I)
  4. (4) (A) - (IV), (B) - (III), (C) - (I), (D) - (II)


Question 16:

The rate of change (in cm²/s) of the total surface area of a hemisphere with respect to radius r at r = 3.31 cm is:

  1. (1) 66π
  2. (2) 6.6π
  3. (3) 3.3π
  4. (4) 4.4π

Question 17:

The area of the region bounded by the lines:

x + (3/a)y = 4, x = 0, and y = 0 is:

  1. (1) 56/3ab
  2. (2) 56a
  3. (3) ab/2
  4. (4) 3ab

Question 18:

If A is a square matrix and I is an identity matrix such that A² = A, then A(I – 2A)³ + 2A³ is equal to:

  1. (1) I + A
  2. (2) I + 2A
  3. (3) I – A
  4. (4) A

Question 19:

The value of the integral:

∫ (e²ˣ log₃(2x) – 1) dx from 1 to e is:

  1. (1) logₑ 3
  2. (2) logₑ 4 – logₑ 3
  3. (3) logₑ 9 – logₑ 4
  4. (4) logₑ 3 – logₑ 2

Question 20:

If a, b, and c are three vectors such that a + b + c = 0, where a and b are unit vectors and |c| = 2, then the angle between vectors b and c is:

  1. (1) 60°
  2. (2) 90°
  3. (3) 120°
  4. (4) 180°

Question 21:

Let [x] denote the greatest integer function. Then match List-I with List-II:

List-I
(A) |x – 1| + |x – 2|
(B) x – |x|
(C) x – [x]
(D) x |x|

List-II
(I) is differentiable everywhere except at x = 0
(II) is continuous everywhere
(III) is not differentiable at x = 1
(IV) is differentiable at x = 1

  1. (1) (A) - (I), (B) - (II), (C) - (III), (D) - (IV)
  2. (2) (A) - (I), (B) - (III), (C) - (II), (D) - (IV)
  3. (3) (A) - (II), (B) - (I), (C) - (III), (D) - (IV)
  4. (4) (A) - (II), (B) - (IV), (C) - (III), (D) - (I)

Question 22:

Match List-I with List-II:

List-I
(A) Integrating factor of xdy – (y + 2x²)dx = 0
(B) Integrating factor of (2x² – 3y)dx = xdy
(C) Integrating factor of (2y + 3x²)dx + xdy = 0
(D) Integrating factor of 2xdy + (3x³ + 2y)dx = 0

List-II
(I) x1
(II) x3
(III) x2
(IV) x

  1. (1) (A) - (I), (B) - (III), (C) - (IV), (D) - (II)
  2. (2) (A) - (I), (B) - (IV), (C) - (III), (D) - (II)
  3. (3) (A) - (II), (B) - (I), (C) - (III), (D) - (IV)
  4. (4) (A) - (III), (B) - (IV), (C) - (II), (D) - (I)

Question 23:

If the function f: ℕ → ℕ is defined as f(n) = 1 – n if n is even, and f(n) = 1 + n if n is odd, then:

  1. (1) (B) only
  2. (2) (A), (B), and (D) only
  3. (3) (A) and (C) only
  4. (4) (A), (C), and (D) only

Question 24:

Evaluate the following integral:

0π (x cot x - 12) cos x dx

  1. (1) 0
  2. (2) 4π
  3. (3) ∞
  4. (4) 12π

Question 25:

If the random variable X has the following distribution:

X: 0, 1, 2, otherwise
P(X): k, 2k, 3k, 0

Match List-I with List-II:

List-I
(A) k
(B) P(X < 2)
(C) E(X)
(D) P(1 ≤ X ≤ 2)

List-II
(I) 6
(II) 3
(III) 2
(IV) 1

  1. (1) (A) - (I), (B) - (II), (C) - (III), (D) - (IV)
  2. (2) (A) - (IV), (B) - (III), (C) - (II), (D) - (I)
  3. (3) (A) - (I), (B) - (II), (C) - (IV), (D) - (III)
  4. (4) (A) - (III), (B) - (IV), (C) - (I), (D) - (II)

Question 26:

For a square matrix An×n, which of the following are true?

  1. (1) |adj A| = |A|n–1
  2. (2) |A| = |adj A|n–1
  3. (3) A(adj A) = |A|
  4. (4) |A–1| = |A|–1

Question 27:

The matrix

    [ 1  0  0 ]
    [ 0  1  0 ]
    [ 0  0  1 ]
    

is a:

  1. (1) Scalar matrix
  2. (2) Diagonal matrix
  3. (3) Skew-symmetric matrix
  4. (4) Symmetric matrix

Question 28:

The feasible region represented by the constraints:

4x + y ≥ 80, x + 5y ≥ 115, 3x + 2y ≤ 150, x, y ≥ 0

is:

  1. (1) Region A
  2. (2) Region B
  3. (3) Region C
  4. (4) Region D

Question 29:

The area of the region enclosed between the curves 4x² = y and y = 4 is:

  1. (1) 16 sq. units
  2. (2) 32/3 sq. units
  3. (3) 8/3 sq. units
  4. (4) 16/3 sq. units

Question 30:

Evaluate the integral:

∫ dx / (x² + 1) * eˣ

  1. (1) x² / (1 + eˣ) + C
  2. (2) - eˣ x + C
  3. (3) - x² / (1 + eˣ) + C
  4. (4) eˣ x + C

Question 31:

If the function f(x) is defined as:

f(x) = { kx + 1 for x ≤ π, cos x for x > π }

If f(x) is continuous at x = π, then the value of k is:

  1. (1) 0
  2. (2) π
  3. (3) π/2
  4. (4) -π/2

Question 32:

If P and Q are matrices given by:

P = [ 1 2 1; -1 0 1 ] and Q = [ 2 -4 1 ]

Then the matrix (PQ) will be:

  1. (1) [2 -3 -0; 0 3 -3; 7 5 4]
  2. (2) [1 2 -4; 4 -8 -4; 2 4 -2]
  3. (3) [0 7 -9; 7 6 5; 2 5 5]
  4. (4) [6 2 -8; 7 5 2; 8 4 -7]

Question 33:

Δ = 1xcos–1–xcos1xcos–1xcos1
(A) Δ = 2(1 – cos²x)
(B) Δ = 2(2 – sin²x)
(C) Minimum value of Δ is 2
(D) Maximum value of Δ is 4

  1. (1) (A), (C), and (D) only
  2. (2) (A), (B), and (C) only
  3. (3) (A), (B), (C), and (D)
  4. (4) (B), (C), and (D) only

Question 34:

If f(x) = sin(x) + 2cos²(x), in the interval [0, π/2], then:

  1. (1) f'(x) = cos(x) – sin(2x)
  2. (2) The critical points of the function are x = π/6 and x = π/2
  3. (3) The minimum value of the function is 2
  4. (4) The maximum value of the function is 4/3

Question 35:

The direction cosines of the line which is perpendicular to the lines with direction ratios (1, -2, -2) and (0, 2, 1) are:

  1. (1) 3/2, -3/1, 3/2
  2. (2) -3/2, -3/1, 3/2
  3. (3) 3/2, -3/1, -3/2
  4. (4) 3/2, 3/1, 3/2

Question 36:

Let X denote the number of hours you play during a randomly selected day. The probability that X can take values x has the following form, where c is some constant.
P(X = x) =
For x = 1, P(X = x) = cx – 5
For x = 2, P(X = x) = 3x – 4
Otherwise, P(X = x) = 0

Match List-I with List-II:

List-I
(A) c
(B) P(X ≤ 2)
(C) P(X = 2)
(D) P(X ≥ 2)

List-II
(I) 0.75
(II) 0.3
(III) 0.55
(IV) 0.15

  1. (1) (A) - (I), (B) - (II), (C) - (III), (D) - (IV)
  2. (2) (A) - (IV), (B) - (III), (C) - (II), (D) - (I)
  3. (3) (A) - (I), (B) - (II), (C) - (IV), (D) - (III)
  4. (4) (A) - (III), (B) - (IV), (C) - (I), (D) - (II)

Question 37:

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

  1. (1) sin(a + y) / sin y
  2. (2) sin(a + y) / sin² y
  3. (3) sin y / sin(a + y)
  4. (4) sin² y / sin(a + y)

Question 38:

The unit vector perpendicular to each of the vectors a + b and a - b, where a = i + j + k and b = i + 2j + 3k, is:

  1. (1) i/6 + j/6 + k/6
  2. (2) -i/6 + j/6 - k/6
  3. (3) -i/6 + j/2 + k/2
  4. (4) -i/6 + j/2 - k/6

Question 39:

The distance between the lines

r = i - 2j + 3k + λ(2i + 3j + 6k) and r = 3i - 2j + k + μ(4i + 6j + 12k) is:

  1. (1) 7√28
  2. (2) 7√199
  3. (3) 7√328
  4. (4) 7√421

Question 40:

If f(x) = 2(π/4 – x)e^(tan x – 1), then f(x) is:

  1. (1) Even and is strictly increasing in (0, ∞)
  2. (2) Even and is strictly decreasing in (0, ∞)
  3. (3) Odd and is strictly increasing in (–∞, ∞)
  4. (4) Odd and is strictly decreasing in (–∞, ∞)

Question 41:

For the differential equation (x loge x)dy = (loge x – y)dx, the correct statements are:

  1. (1) (A) and (C) only
  2. (2) (A), (B), and (C) only
  3. (3) (A), (B), and (D) only
  4. (4) (A) and (D) only

Question 42:

There are two bags. Bag-1 contains 4 white and 6 black balls, and Bag-2 contains 5 white and 5 black balls. A die is rolled, and if it shows a number divisible by 3, a ball is drawn from Bag-1; otherwise, a ball is drawn from Bag-2. If the ball drawn is not black in color, the probability that it was not drawn from Bag-2 is:

  1. (1) 9/4
  2. (2) 8/3
  3. (3) 7/2
  4. (4) 19/4

Question 43:

Which of the following cannot be the direction ratios of the straight line:

(2/3 – x) = (3/y – 2) = (1 – 4z)

  1. (1) 2, –3, –1
  2. (2) –2, 3, 1
  3. (3) 2, 3, –1
  4. (4) 6, –9, –3

Question 44:

Which one of the following represents the correct feasible region determined by the following constraints of an LPP?

x + y ≥ 10, 2x + 2y ≤ 25, x ≥ 0, y ≥ 0

  1. (1) Image 1
  2. (2) Image 2
  3. (3) Image 3
  4. (4) Image 4

Question 45:

Let R be the relation over the set A of all straight lines in a plane such that l1 R l2 if and only if l1 is parallel to l2. Then R is:

  1. (1) Symmetric
  2. (2) An Equivalence relation
  3. (3) Transitive
  4. (4) Reflexive

Question 46:

The probability of not getting 53 Tuesdays in a leap year is:

  1. (1) 2/7
  2. (2) 1/7
  3. (3) 0
  4. (4) 5/7

Question 47:

The angle between two lines whose direction ratios are proportional to (1, 1, -2) and (3, -1, -4) is:

  1. (1) π/3
  2. (2) π
  3. (3) π/6
  4. (4) π/2

Question 48:

If b - a = 27 and |a| = 2|b|, then |b| is:

  1. (1) 3
  2. (2) 2
  3. (3) 5/6
  4. (4) 6

Question 49:

If tan-1(x + 2) = cot-1(x + 1), then which one of the following is true?

  1. (1) There is no real value of x satisfying the above equation.
  2. (2) There is one positive and one negative real value of x satisfying the above equation.
  3. (3) There are two real positive values of x satisfying the above equation.
  4. (4) There are two real negative values of x satisfying the above equation.

Question 50:

If A, B, and C are three singular matrices given by:

A =
[ 1 4 ]
[ 3 2a ]

B =
[ 3b 5 ]
[ a 2 ]

C =
[ a b c ]
[ c 1 a ]
[ a c c ]

Then the value of abc is:

  1. (1) 15
  2. (2) 30
  3. (3) 45
  4. (4) 90

Question 51:

A random variable X has the following probability distribution:

X: 1, 2, 3, 4, 5, 6, 7
P(X): k, 2k, 2k, 3k, k², 2k², 7k² + k

Match the options of List-I to List-II:

List-I
(A) k
(B) P(X < 3)
(C) P(X > 2)
(D) P(2 < X < 7)

List-II
(I) 7/10
(II) 53/100
(III) 1/10
(IV) 3/10

  1. (1) (A) - (I), (B) - (II), (C) - (III), (D) - (IV)
  2. (2) (A) - (I), (B) - (III), (C) - (II), (D) - (IV)
  3. (3) (A) - (III), (B) - (IV), (C) - (II), (D) - (I)
  4. (4) (A) - (III), (B) - (IV), (C) - (I), (D) - (II)

Question 52:

Match List-I with List-II:

List-I
(A) x⁵
(B) logₑ 5
(C) 5ˣ
(D) 5ˣ logₑ 5

List-II
(I) 5x (logₑ 5)
(II) 5x logₑ 5
(III) 5x
(IV) 0

  1. (1) (A) - (I), (B) - (II), (C) - (III), (D) - (IV)
  2. (2) (A) - (I), (B) - (III), (C) - (II), (D) - (IV)
  3. (3) (A) - (I), (B) - (II), (C) - (IV), (D) - (III)
  4. (4) (A) - (III), (B) - (IV), (C) - (I), (D) - (II)

Question 53:

For which one of the following purposes is CAGR (Compounded Annual Growth Rate) not used?

  1. (1) To calculate and communicate the average growth of a single investment
  2. (2) To understand and analyse the donations received by a non-government organisation
  3. (3) To demonstrate and compare the performance of investment advisors
  4. (4) To compare the historical returns of stocks with a savings account

Question 54:

A flower vase costs ₹ 36,000. With an annual depreciation of ₹ 2,000, its cost will be ₹ 6,000 in ______ years.

  1. (1) 10
  2. (2) 15
  3. (3) 17
  4. (4) 6

Question 55:

Arun's speed of swimming in still water is 5 km/hr. He swims between two points in a river and returns back to the same starting point. He took 20 minutes more to cover the distance upstream than downstream. If the speed of the stream is 2 km/hr, then the distance between the two points is:

  1. (1) 3 km
  2. (2) 1.5 km
  3. (3) 1.75 km
  4. (4) 1 km

Question 56:

If ey = xx, then which of the following is true?

  1. (1) d²y / dx² = 1
  2. (2) d²y / dx² - y = 0
  3. (3) d²y / dx² - dy / dx = 0
  4. (4) d²y / dx² - dy / dx + 1 = 0

Question 57:

The probability of a shooter hitting a target is 3/4. How many minimum number of times must he fire so that the probability of hitting the target at least once is more than 90%?

  1. (1) 1
  2. (2) 2
  3. (3) 3
  4. (4) 4


Question 58:

Match List-I with List-II:

List-I
(A) Distribution of a sample leads to becoming a normal distribution
(B) Some subset of the entire population
(C) Population mean
(D) Some assumptions about the population

List-II
(I) Central Limit Theorem
(II) Hypothesis
(III) Sample
(IV) Parameter

  1. (1) (A) - (I), (B) - (II), (C) - (III), (D) - (IV)
  2. (2) (A) - (I), (B) - (III), (C) - (IV), (D) - (II)
  3. (3) (A) - (I), (B) - (II), (C) - (IV), (D) - (III)
  4. (4) (A) - (III), (B) - (IV), (C) - (I), (D) - (II)

Question 59:

Ms. Sheela creates a fund of ₹ 1,00,000 for providing scholarships to needy children. The scholarship is provided in the beginning of the year. This fund earns an interest of r % per annum. If the scholarship amount is taken as ₹ 8,000, then r =

  1. (1) 1 8 2%
  2. (2) 16 8 23%
  3. (3) 17 8 25%
  4. (4) 2 8 5%

Question 60:

A person wants to invest an amount of ₹ 75,000. He has two options A and B yielding 8% and 9% return respectively on the invested amount. He plans to invest at least ₹ 15,000 in Plan A and at least ₹ 25,000 in Plan B. Also he wants that his investment in Plan A is less than or equal to his investment in Plan B. Which of the following options describes the given LPP to maximize the return (where x and y are investments in Plan A and Plan B respectively)?

  1. (1) maximize Z = 0.08x + 0.09y
    x ≥ 15000, y ≥ 25000, x + y ≥ 75000, x ≤ y, x, y ≥ 0
  2. (2) maximize Z = 0.08x + 0.09y
    x ≥ 15000, y ≤ 25000, x + y ≥ 75000, x ≤ y, x, y ≥ 0
  3. (3) maximize Z = 0.08x + 0.09y
    x ≥ 15000, y ≥ 25000, x + y ≤ 75000, x ≥ y, x, y ≥ 0
  4. (4) maximize Z = 0.08x + 0.09y
    x ≥ 15000, y ≥ 25000, x + y ≤ 75000, x ≤ y, x, y ≥ 0

Question 61:

In a 700 m race, Amit reaches the finish point in 20 seconds and Rahul reaches in 25 seconds. Amit beats Rahul by a distance of:

  1. (1) 120 m
  2. (2) 150 m
  3. (3) 140 m
  4. (4) 100 m

Question 62:

For the given five values 12, 15, 18, 24, 36; the three-year moving averages are:

  1. (1) 15, 25, 21
  2. (2) 15, 27, 19
  3. (3) 15, 19, 26
  4. (4) 15, 19, 30

Question 63:

A property dealer wishes to buy different houses given in the table below with some down payments and balance in EMI for 25 years. Bank charges 6% per annum compounded monthly.

Property type Price of the property (in ₹) Down Payment (in ₹)

Property Type Price of the Property (in ₹) Down Payment (in ₹)
P 45,00,000 5,00,000
Q 55,00,000 5,00,000
R 65,00,000 10,00,000
S 75,00,000 15,00,000

Match List-I with List-II:

List-I
(A) P
(B) Q
(C) R
(D) S

List-II
(I) ₹25,600
(II) ₹38,400
(III) ₹32,000
(IV) ₹35,200

  1. (1) (A) - (I), (B) - (II), (C) - (III), (D) - (IV)
  2. (2) (A) - (I), (B) - (III), (C) - (IV), (D) - (II)
  3. (3) (A) - (I), (B) - (II), (C) - (IV), (D) - (III)
  4. (4) (A) - (III), (B) - (IV), (C) - (I), (D) - (II)

Question 64:

The corner points of the feasible region for an L.P.P. are (0, 10), (5, 5), (5, 15) and (0, 30). If the objective function is Z = αx + βy, α, β > 0, the condition on α and β so that the maximum of Z occurs at corner points (5, 5) and (0, 20) is:

  1. (1) α = 5β
  2. (2) 5α = β
  3. (3) α = 3β
  4. (4) 4α = 5β

Question 65:

The solution set of the inequality |3x| ≥ |6 – 3x| is:

  1. (1) (-∞, 1]
  2. (2) [1, ∞)
  3. (3) (-∞, 1) ∪ (1, ∞)
  4. (4) (-∞, -1) ∪ (-1, ∞)

Question 66:

If the matrix:
[ 0, -1, 3x ]
[ 1, y, -5 ]
[ -6, 5, 0 ]
is skew-symmetric, then the value of 5x – y is:

  1. (1) 12
  2. (2) 15
  3. (3) 10
  4. (4) 14

Question 67:

A company is selling a certain commodity ‘x’. The demand function for the commodity is linear. The company can sell 2000 units when the price is ₹ 8 per unit and it can sell 3000 units when the price is ₹ 4 per unit. The Marginal revenue at x = 5 is:

  1. (1) ₹ 79.98
  2. (2) ₹ 15.96
  3. (3) ₹ 16.04
  4. (4) ₹ 80.02

Question 70:

If A =
[ 2 4 ]
[ 4 3 ] , X =
[ n 1 ] , B =
[ 8 ]
[ 11 ]
and AX = B, then the value of n will be:

  1. (1) 0
  2. (2) 1
  3. (3) 2
  4. (4) not defined

Question 71:

The equation of the tangent to the curve 5/2x + 5/2y = 33 at the point (1, 4) is:

  1. (1) x + 8y – 33 = 0
  2. (2) 12x + y – 8 = 0
  3. (3) x + 8y – 12 = 0
  4. (4) x + 12y – 8 = 0

Question 72:

A random variable X has the following probability distribution:

X: -2, -1, 0, 1, 2
P(X): 0.2, 0.1, 0.3, 0.2, 0.2

The variance of X will be:

  1. (1) 0.1
  2. (2) 1.42
  3. (3) 1.89
  4. (4) 2.54

Question 73:

A Multinational company creates a sinking fund by setting a sum of ₹ 12,000 annually for 10 years to pay off a bond issue of ₹ 72,000. If the fund accumulates at 5% per annum compound interest, then the surplus after paying for bond is:

(Use (1.05)10 ≈ 1.6)

  1. (1) ₹ 78,900
  2. (2) ₹ 68,500
  3. (3) ₹ 72,000
  4. (4) ₹ 1,44,000

Question 74:

The least non-negative remainder when 351 is divided by 7 is:

  1. (1) 2
  2. (2) 3
  3. (3) 6
  4. (4) 5

Question 75:

If
[ 12x 10y ] = [ 5x 32 ], then the value of 5x + 3y is equal to:

  1. (1) -1
  2. (2) 8
  3. (3) 2
  4. (4) 0

Question 76:

There are 6 cards numbered 1 to 6, one number on one card. Two cards are drawn at random without replacement. Let X denote the sum of the numbers on the two cards drawn. Then P(X > 3) is:

  1. (1) 15/41
  2. (2) 15/1
  3. (3) 21/11
  4. (4) 21/1

Question 77:

Which of the following are components of a time series?

  1. (1) (A), (B), and (D) only
  2. (2) (A), (B), and (C) only
  3. (3) (A), (B), (C), and (D)
  4. (4) (B), (C), and (D) only

Question 78:

The following data is from a simple random sample:
15, 23, x, 37, 19, 32
If the point estimate of the population mean is 23, then the value of x is:

  1. (1) 12
  2. (2) 30
  3. (3) 21
  4. (4) 24

Question 79:

For an investment, if the nominal rate of interest is 10% compounded half yearly, then the effective rate of interest is:

  1. (1) 10.25%
  2. (2) 11.25%
  3. (3) 10.125%
  4. (4) 11.025%

Question 80:

A mixture contains apple juice and water in the ratio 10 : x. When 36 litres of the mixture and 9 litres of water are mixed, the ratio of apple juice and water becomes 5 : 4. The value of x is:

  1. (1) 4
  2. (2) 4.4
  3. (3) 5
  4. (4) 8

Question 81:

For I =
[ 10 01 ] , if X and Y are square matrices of order 2 such that XY = X and YX = Y, then (Y² + 2Y) equals to:

  1. (1) 2Y
  2. (2) I + 3X
  3. (3) I + 3Y
  4. (4) 3Y

Question 82:

A coin is tossed K times. If the probability of getting 3 heads is equal to the probability of getting 7 heads, then the probability of getting 8 tails is:

  1. (1) 512
  2. (2) 21
  3. (3) 1024
  4. (4) 21

Question 83:

If a 95% confidence interval for the population mean is reported to be 160 to 170 and σ = 25, then the size of the sample used in this study is:

  1. (1) 96
  2. (2) 125
  3. (3) 54
  4. (4) 81

Question 84:

Two pipes A and B together can fill a tank in 40 minutes. Pipe A is twice as fast as pipe B. Pipe A alone can fill the tank in:

  1. (1) 1 hour
  2. (2) 2 hours
  3. (3) 80 minutes
  4. (4) 20 minutes

Question 85:

An even number is the determinant of:

List-I
(A)
[ 1 -1 ]
[ -1 5 ]
(B)
[ 13 -1 ]
[ -1 15 ]
(C)
[ 16 -1 ]
[ -11 15 ]
(D)
[ 6 -12 ]
[ 11 15 ]

  1. (1) (A), (B), and (D) only
  2. (2) (A), (B), and (C) only
  3. (3) (A), (B), (C), and (D)
  4. (4) (B), (C), and (D) only


CUET Questions

  • 1.
    If $ A $ is a $ 2 \times 2 $ matrix and $ |A| = 4 $, then $ |A^{-1}| $ is:

      • 16
      • \( \frac{1}{4} \)
      • 4

    • 2.
      The value of the determinant \(\begin{vmatrix}cos^2θ&cosθsinθ&0 \\-sinθ&cosθ&0 \\ 0&0&1 \end{vmatrix}\) is equal to

        • 1
        • cos θ
        • cos 2θ
        • cos θ-sin θ

      • 3.
        If A and B are square matrices of order 3 such that \(|A| = -1\), \(|B| = 3\) then \(|3AB|\) is:

          • \(-9\)
          • \(-81\)
          • \(-27\)
          • \(81\)

        • 4.
          If $ A $ is a $ 2 \times 2 $ matrix and $ |A| = 4 $, then $ |A^{-1}| $ is:

            • 16
            • \( \frac{1}{4} \)
            • 4
            • 1

          • 5.
            If y = 3e2x + 2e3x, then $\frac{d^2y}{dx^2} + 6y$ is equal to

              • $\frac{dy}{dx}$
              • $5\frac{dy}{dx}$
              • $6\frac{dy}{dx}$
              • $30\frac{dy}{dx}$

            • 6.
              The minimum value of \(x^2 + \frac{1}{x}\) is:

                • \((4)^{\frac{2}{3}} + 2\)

                • \(6 + (2)^{\frac{1}{3}}\)
                • \(\left(\frac{1}{2}\right)^{\frac{1}{3}} + 5\)
                • \(\left(\frac{1}{2}\right)^{\frac{2}{3}} + (2)^{\frac{1}{3}}\)

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