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Mathematics MCQs
Practice Mathematics multiple-choice questions for Air University competitive exams. Each question includes the correct answer and a short explanation, and past-paper questions are marked so you can revise both repeated and fresh material in one place.
5
11
17
23
Erklärungf(3) = 2(3)^2 - 4(3) + 5 = 2(9) - 12 + 5 = 18 - 12 + 5 = 11.
3/5
-3/5
5/3
-5/3
ErklärungRearranging to y = mx + b, we get -5y = -3x + 10, so y = (3/5)x - 2. The slope m is 3/5.
2
3
4
9
ErklärungSince log(x) 81 = 4, this is equivalent to x^4 = 81. Taking the fourth root of 81 gives 3.
x^2 + 5
3x^2 + 5
3x^2 + 5x
x^3 + 5
ErklärungUsing the power rule, the derivative of x^n is nx^(n-1). Thus, 3x^2 + 5.
Acute
Obtuse
Right
Equilateral
ErklärungUsing the Pythagorean theorem, 6^2 + 8^2 = 36 + 64 = 100, which equals 10^2. This satisfies a^2 + b^2 = c^2.
150
155
160
165
ErklärungSum = n/2 * [2a + (n-1)d]. 10/2 * [2(2) + 9(3)] = 5 * [4 + 27] = 5 * 31 = 155.
0
0.5
1
undefined
ErklärungThe sine of 90 degrees in a unit circle is always 1.
2x2
3x3
2x3
3x2
ErklärungWhen multiplying an m x n matrix by an n x p matrix, the resulting matrix has dimensions m x p.
x > 3
x < 3
x > 8
x < 8
ErklärungSubtract 5 from both sides: 2x > 6. Divide by 2: x > 3.
1/6
1/12
1/36
7/36
ErklärungThere are 6 combinations that result in 7 (1+6, 2+5, 3+4, 4+3, 5+2, 6+1) out of 36 total outcomes. 6/36 = 1/6.
y = x
y = 2x
y = 4x
y = 1/2x
ErklärungThe slope m = (4-0)/(2-0) = 2. Since it passes through the origin, the intercept is 0, so y = 2x.
1
-1
i
-i
ErklärungBy definition, the imaginary unit i is the square root of -1, so i^2 = -1.
Frequently Asked Questions
Are these Mathematics MCQs free?
Yes. Every Mathematics MCQ on this page is free to practice, including the correct answer and explanation.
Do these include past-paper questions?
Yes — questions sourced from past papers are clearly marked with a "Past Paper" badge, alongside fresh practice questions.
Which exams do these Mathematics MCQs help with?
They are aimed at Air University and related Pakistani competitive exams that test Mathematics.
How should I practice subject-wise MCQs?
Attempt each question first, then reveal the answer and read the explanation. Short, focused sessions on one subject work better than long unstructured reading.