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COMSATS University27 Questions

Quantitative Reasoning MCQs

Practice Quantitative Reasoning multiple-choice questions for COMSATS 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.

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$48
$50
$52
$60
ExplanationLet original price be x. 0.8x = 40. x = 40 / 0.8 = 50.
2
4
6
8
Explanation3x + 12 = 2x + 18. Subtract 2x from both sides: x + 12 = 18. x = 6.
8 cm
10 cm
14 cm
28 cm
ExplanationPerimeter = 2(L + W). 40 = 2(12 + W) => 20 = 12 + W => W = 8.
112
110
109
114
Explanation125 - 16 + 3 = 109 + 3 = 112.
25 days
30 days
35 days
40 days
ExplanationThis is an inverse proportion: 15 * 20 = 10 * x. 300 = 10x, so x = 30.
60
66
72
75
Explanation(0.15 * 240) + (0.25 * 120) = 36 + 30 = 66.
36
40
42
44
ExplanationThe differences are +4, +6, +8, +10. The next difference should be +12. 30 + 12 = 42.
20
25
30
35
ExplanationTotal sum = 5 * 20 = 100. Fifth number = 100 - 70 = 30.
120 km
140 km
150 km
180 km
ExplanationDistance = Speed * Time = 60 * 2.5 = 150 km.
14
15
16
18
Explanation2x = 12, so x = 6. 3(6) - 2 = 18 - 2 = 16.
1/4
1/3
1/2
2/3
ExplanationThere are 26 red cards in a 52-card deck. 26/52 = 1/2.
60 degrees
90 degrees
100 degrees
120 degrees
ExplanationTotal ratio units = 1+2+3 = 6. Largest angle = (3/6) * 180 = 90.
16 meters
32 meters
64 meters
256 meters
ExplanationThe side length is the square root of 64, which is 8. The perimeter is 4 times the side length: 4 * 8 = 32.
11
23
-13
18
ExplanationSubstitute -3 for x: 2(-3)^2 + 5 = 2(9) + 5 = 18 + 5 = 23.
10%
20%
25%
15%
ExplanationIncrease = 10. Percentage increase = (Increase / Original Value) * 100 = (10/40) * 100 = 25%.
10
12
14
16
ExplanationSolve for x: 3x = 15, so x = 5. Then 2(5) + 4 = 14.
$90
$96
$100
$104
ExplanationCost + 0.20(Cost) = 120. Thus, 1.2(Cost) = 120, so Cost = 100.
50%
100%
125%
225%
ExplanationIf radius r becomes 1.5r, the area changes from πr² to π(1.5r)² = 2.25πr². This is a 125% increase.
70 km/h
75 km/h
80 km/h
65 km/h
ExplanationTotal distance = (60*2) + (90*1) = 210 km. Total time = 3 hours. Average speed = 210 / 3 = 70 km/h.
-8
-4
4
8
Explanation2^(2(x-1)) = 2^(3(x+2)). So 2x - 2 = 3x + 6, which leads to x = -8.
23
24
25
26
ExplanationLet the integers be x-1, x, x+1. Their sum is 3x = 72, so x=24. The integers are 23, 24, 25.
12
15
18
25
ExplanationThis is an inverse proportion: 15 * 20 = 20 * x, so x = 15.
1/6
1/12
1/9
5/36
ExplanationThere are 6 ways to roll a 7 (1-6, 2-5, 3-4, 4-3, 5-2, 6-1) out of 36 total outcomes. 6/36 = 1/6.
$55
$60
$65
$70
ExplanationDiscount = 25% of 80 = 20. Final price = 80 - 20 = 60.
-10
10
-5
5
ExplanationLet x=3, y=4. Then (2(3) + 4) / (3 - 4) = 10 / -1 = -10.
0% increase
2% decrease
4% decrease
4% increase
Explanation1.2 * 0.8 = 0.96, which is a 4% decrease from the original 1.0.
15,000
18,000
20,000
25,000
Explanation5 hours * 60 minutes * 60 seconds = 18,000 seconds.

Frequently Asked Questions

Are these Quantitative Reasoning MCQs free?

Yes. Every Quantitative Reasoning 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 Quantitative Reasoning MCQs help with?

They are aimed at COMSATS University and related Pakistani competitive exams that test Quantitative Reasoning.

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.

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