POST UTME IMS U 2020 Mathematics | Objective

Are you preparing for POST UTME IMS U exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2020 Mathematics (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1
Find the derivative of the function ( f(x) = \frac{1}{x^2 + 1} ) u\sing the chain rule.
A. \( \frac{-2x}{\( x^2 + 1 \ \)^2} )
Correct B. \( \frac{2x}{\( x^2 + 1 \ \)^2} )
C. \( \frac{2}{\( x^2 + 1 \ \)^2} )
D. \( \frac{-2}{\( x^2 + 1 \ \)^2} )

Correct Answer: B

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Question 2
Solve the inequality \( 2^x > 3^x \) for ( x ).
Correct A. \( x < -1 \)
B. \( x > -1 \)
C. \( x < 1 \)
D. \( x > 1 \)

Correct Answer: A

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Question 3
A matrix ( A ) is given by \( A = egin{bmatrix} 1 & 2 \ 3 & 4 \end{bmatrix} \). Find the determinant of ( A ).
A. ( 2 )
B. \( -2 \)
Correct C. ( 0 )
D. ( 1 )

Correct Answer: C

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Question 4
A sequence is defined by \( a_n = 2n + 1 \). Find the sum of the first 5 terms of the sequence.
A. ( 15 )
B. ( 20 )
Correct C. ( 25 )
D. ( 30 )

Correct Answer: C

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Question 5
A set ( S ) is defined as \( S = { x | x in mathbb{R}, x > 0 } \). Find the complement of ( S ).
Correct A. \( { x | x in mathbb{R}, x leq 0 } \)
B. \( { x | x in mathbb{R}, x geq 0 } \)
C. \( { x | x in mathbb{R}, x < 0 } \)
D. \( { x | x in mathbb{R}, x > 1 } \)

Correct Answer: A

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Question 6
Find the volume of the frustum of a cone with height 6 cm, lower base radius 4 cm, and upper base radius 2 cm.
A. 24π cm³
Correct B. 48π cm³
C. 96π cm³
D. 192π cm³

Correct Answer: B

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Question 7
Solve the inequality \( x^2 + 4x - 5 > 0 \).
Correct A. \( x < -5 \) or \( x > 1 \)
B. \( x < -5 \) or \( x < 1 \)
C. \( x > -5 \) or \( x > 1 \)
D. \( x < -5 \) or \( x = 1 \)

Correct Answer: A

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Question 8
Find the equation of the circle with center \( -2, 3 \ \) ) and radius 4.
Correct A. \( x + 2 \ \)^2 + \( y - 3 \)^2 = 16 )
B. \( x - 2 \ \)^2 + \( y + 3 \)^2 = 16 )
C. \( x + 2 \ \)^2 + \( y + 3 \)^2 = 16 )
D. \( x - 2 \ \)^2 + \( y - 3 \)^2 = 16 )

Correct Answer: A

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Question 9
A particle moves along the curve \( y = x^2 \) with a velocity of 2 m/s. Find the acceleration at the point where \( x = 2 \).
A. 4 m/s²
Correct B. 8 m/s²
C. 12 m/s²
D. 16 m/s²

Correct Answer: B

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Question 10
Find the area under the curve \( y = x^3 - 6x^2 + 9x + 2 \) from \( x = 0 \) to \( x = 4 \).
A. 128
Correct B. 192
C. 256
D. 320

Correct Answer: B

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Question 11
Determine the value of $x$ in the equation $\begin{bmatrix} 1 & 2 \ 3 & 4 \end{bmatrix} \begin{bmatrix} x \ 5 \end{bmatrix} = \begin{bmatrix} 3 \ 11 \end{bmatrix}$
Correct A. -1
B. 1
C. 2
D. 3

Correct Answer: A

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Question 12
A particle moves in a straight line with its position given by $s(t) = 2t^3 - 5t^2 + 3t + 1$. Find the velocity of the particle at $t = 2$ seconds.
A. -14
B. -10
Correct C. 10
D. 14

Correct Answer: C

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Question 13
A box contains 5 red balls and 3 blue balls. If a ball is drawn at random, what is the probability that it is blue?
A. 1/2
Correct B. 2/5
C. 3/8
D. 1/3

Correct Answer: B

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Question 14
Solve for $x$ in the equation $\log_{10} \( x^2 \) = 4$.
A. 10
B. 100
C. 1000
Correct D. 10000

Correct Answer: D

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Question 15
Find the surface area of the sphere with radius $r = 4$ cm.
A. 32π
Correct B. 64π
C. 128π
D. 256π

Correct Answer: B

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Question 16
In a certain number base, the value of the digit 5 is represented as \( overline{1011}_5 \). What is the decimal equivalent of this number?
A. 21
Correct B. 25
C. 31
D. 35

Correct Answer: B

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Question 17
Solve for ( x ) in the equation \( egin{bmatrix} 1 & 2 \ 3 & 4 \end{bmatrix} egin{bmatrix} x \ 1 \end{bmatrix} = egin{bmatrix} 7 \ 10 \end{bmatrix} \).
A. 2
B. 3
Correct C. 4
D. 5

Correct Answer: C

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Question 18
Find the equation of the circle with center ( (2, 3) ) and radius 4.
Correct A. \( x - 2 \ \)^2 + \( y - 3 \)^2 = 16 )
B. \( x - 3 \ \)^2 + \( y - 2 \)^2 = 16 )
C. \( x - 4 \ \)^2 + \( y - 3 \)^2 = 16 )
D. \( x - 2 \ \)^2 + \( y - 4 \)^2 = 16 )

Correct Answer: A

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Question 19
A rec\tangular prism has a length of 6 cm, a width of 4 cm, and a height of 3 cm. Find its volume.
Correct A. 72
B. 80
C. 90
D. 96

Correct Answer: A

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Question 20
Two events, A and B, are indep\endent. If P(A) = 0.4 and P(B) = 0.6, find P(A ∩ B).
Correct A. 0.12
B. 0.24
C. 0.36
D. 0.48

Correct Answer: A

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Question 21
Find the determinant of the matrix [ egin{pmatrix} 1 & 2 & 3 \ 4 & 5 & 6 \ 7 & 8 & 9 \end{pmatrix} ].
A. 0
B. 1
C. 2
Correct D. 3

Correct Answer: D

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Question 22
A box contains 5 red balls and 3 blue balls. If a ball is drawn at random, what is the probability that it is blue?
Correct A. 1/2
B. 2/3
C. 3/5
D. 4/7

Correct Answer: A

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Question 23
Solve for x in the equation [ x^2 + 4x + 4 = 0 ].
Correct A. -2
B. -1
C. 1
D. 2

Correct Answer: A

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Question 24
Find the value of [ \log_{10} \( x^2 \) = 4 ].
A. 10
B. 100
C. 1000
Correct D. 10000

Correct Answer: D

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Question 25
In the diagram below, what is the value of x?
A. 30
Correct B. 60
C. 90
D. 120

Correct Answer: B

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