POST UTME NILE UNIVERSITY 2020 Mathematics | Objective

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Question 1 View Details
Solve for x in the quadratic equation \(x^2 + 5x + 6 = 0\):
A. 2
Correct B. -3
C. -2
D. 1

Correct Answer: B

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Question 2 View Details
Find the area under the curve \(y = x^2 - 4x + 3\) from \(x = 0\) to \(x = 2\):
A. 5
B. 6
Correct C. 7
D. 8

Correct Answer: C

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Question 3 View Details
In the circuit below, find the equivalent resistance between points A and B:
A. 10Ω
B. 20Ω
Correct C. 30Ω
D. 40Ω

Correct Answer: C

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Question 4 View Details
Solve the system of linear equations \(\begin{cases} x + y = 2 \ 2x - 3y = - 3 \end{cases}\):
Correct A. \(x = 1\), \(y = 1\)
B. \(x = 2\), \(y = 0\)
C. \(x = 0\), \(y = 2\)
D. \(x = 1\), \(y = 0\)

Correct Answer: A

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Question 5 View Details
Find the volume of the frustum of a cone with height (h = 10\) cm, and radii of the bases \(r_1 = 4\\((h = 10) cm, and radii of the bases\) cm and \(r_2 = 6\) cm:
A. 1000π cm³
B. 1200π cm³
Correct C. 1500π cm³
D. 1800π cm³

Correct Answer: C

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Question 6 View Details
Determine the mean of the following dataset: 2, 4, 6, 8, 10. If the mean is increased by 2, what is the new mean?
A. 12
Correct B. 14
C. 16
D. 18

Correct Answer: B

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Question 7 View Details
Find the area under the curve of the function ( f(x) = \(2x^2 + 3x - 1\) ) from \(x = 0\) to \(x = 2\).
A. 13
Correct B. 15
C. 17
D. 19

Correct Answer: B

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Question 8 View Details
A rectangular prism has a length of 5 cm, a width of 3 cm, and a height of 2 cm. Find its volume.
A. 30
B. 40
Correct C. 50
D. 60

Correct Answer: C

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Question 9 View Details
Two events, A and B, are independent. If the probability of event A is 0.4 and the probability of event B is 0.6, what is the probability that both events occur?
A. 0.12
B. 0.16
Correct C. 0.20
D. 0.24

Correct Answer: C

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Question 10 View Details
Convert the decimal number 456.789 to a \fraction in its simplest form.
Correct A. 456 \(789/1000\)
B. 456 \(789/1001\)
C. 456 \(789/1002\)
D. 456 \(789/1003\)

Correct Answer: A

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Question 11 View Details
Find the area under the curve \(y = x\^3 - 6x^2 + 9x + 2\) from \(x = 0\) to \(x = 2\).
A. 14
B. 16
Correct C. 18
D. 20

Correct Answer: C

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Question 12 View Details
A polynomial function f(x) has zeros at x = -2, \(x = 3\), and \(x = 5\). If f\(-1 = 10\), find the value of f(2).
A. 0
Correct B. 10
C. 20
D. 30

Correct Answer: B

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Question 13 View Details
A rectangular prism has a length of 6 cm, a width of 4 cm, and a height of 3 cm. Find the volume of the prism.
Correct A. 72
B. 80
C. 88
D. 96

Correct Answer: A

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Question 14 View Details
A circle has a radius of 4 cm. Find the area of the circle.
A. 16
Correct B. 25.13
C. 50.26
D. 100.52

Correct Answer: B

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Question 15 View Details
A number is 5 times the sum of its digits. If the number is 3-digit, find the number.
A. 135
B. 245
Correct C. 345
D. 445

Correct Answer: C

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Question 16 View Details
A rectangular prism has a length of 10 cm, a width of 5 cm, and a height of 8 cm. Find the volume of the prism in cubic centimeters.
Correct A. 400
B. 500
C. 600
D. 800

Correct Answer: A

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Question 17 View Details
Solve for x in the equation: \\((2x^2 + 5x - 3\)\(= 0.\)\)
A. 1
Correct B. -1
C. 2
D. -2

Correct Answer: B

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Question 18 View Details
A die is rolled twice. What is the probability that the sum of the two numbers is 7?
Correct A. \(1/6\)
B. \(1/12\)
C. \(1/18\)
D. \(1/24\)

Correct Answer: A

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Question 19 View Details
A bakery sells 250 loaves of bread per day. If each loaf \costs ₦120, how much money does the bakery make in a day?
Correct A. ₦30,000
B. ₦30,500
C. ₦31,000
D. ₦31,500

Correct Answer: A

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Question 20 View Details
A car travels from city A to city B at an average speed of 60 \(km/h\). If the distance between the two cities is 240 km, how long does the trip take?
A. 4 hours
Correct B. 4.5 hours
C. 5 hours
D. 5.5 hours

Correct Answer: B

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