Ratio and Proportion MCQs MCQs - Maths Practice | PakExamPoint

Practise Ratio and Proportion MCQs MCQs in Maths. Attempt multiple-choice questions, check answers and revise related subtopics.

Ratio and Proportion MCQs MCQs and revision practice

Study Ratio and Proportion MCQs through multiple-choice questions in Maths. This subtopic contains 287 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.

Use these Ratio and Proportion MCQs MCQs to identify the facts, rules or methods you need to revise. Where an explanation is available, work through it and write down why your chosen option was correct or incorrect. Revisit difficult questions after reviewing your notes, then use exam mode for timed practice.

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Ratio and Proportion MCQs: questions and answer review

Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.

21. The ratio of boys and girls is 3:4. If there are 28 students in a class, how many are the boys?

Check answer and explanation

Answer: 12

Explanation The ratio of boys to girls is given as 3:4, and the total number of students in the class is 28. Step 1: Add the parts of the ratio 3 + 4 = 7 Step 2: Calculate the value of one part Each part of the ratio represents: text{Value of one part} = frac{text{Total students}}{text{Sum of ratio parts}} = frac{28}{7} = 4 Value of one part = Total students/ Sum of ratio parts​ = 28 ​ /7= 4 Step 3: Find the number of boys The boys' share is 3 parts, so: text{Number of boys} = 3 times 4 = 12 Number of boys = 3 × 4 = 12

22. The ratio of 1.8 to 2 is equal to the ratio of ______?

Check answer and explanation

Answer: 9 to 10

Explanation To find the ratio of 1.8 to 2: Divide 1.8 by 2: 1.8 ÷ 2 = 0.9 Now, multiply by 10 to eliminate the decimal: 0.9 × 10 = 9 The ratio becomes: 9 : 10

23. Write 3.4% as a fraction?

Check answer and explanation

Answer: 34/1000

Explanation 3.4% can be written as a fraction by dividing by 100 (since percent means "per hundred"): 3.4 ÷ 100 = 34 ÷ 1000 So, 3.4% is equal to the fraction 34/1000.

24. Mr. Ali borrows RS. 500 from bank for a period of 4 years. If interest rate is 11% per anum, what would be the amount of interest he has to pay back in addition to the principal amount?

Check answer and explanation

Answer: Rs. 220

Explanation To calculate the interest, you can use the formula : Interest = Principal × Rate × Time In this case: Principal (P) = Rs. 500 Rate (R) = 11% per annum = 0.11 Time (T) = 4 years Interest = 500 × 0.11 × 4 = Rs. 220 So, Mr. Ali has to pay back the principal amount of Rs. 500 plus the interest of Rs. 220, making a total of Rs. 720 . The correct answer is: Rs. 220

25. x:y = y:1 find the value of x?

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Answer: x=y^2

Explanation To solve this equation , we can set up a proportion: x/y = y/1 To solve for x , we can cross-multiply: x = y * y / 1 Simplifying this expression , we have: x = y^2

26. The ratio of 18 months to 2 years is?

Check answer and explanation

Answer: 3:4

Explanation First, let's convert 2 years to months: 2 years = 24 months Now, the ratio is: 18 months : 24 months = 3 : 4

27. 15 weavers can weave some length of cloth in 1 hr. 24 minutes. How many more weavers will be required to do the same job in 60 minutes?

Check answer and explanation

Answer: 6

Explanation 15 weavers can do the job in 84 minutes. Let x weavers do the job in 60 minutes. Weavers and time are inversely proportional, so: 15 * 84 = x * 60 x = (15 * 84) / 60 x = 21 weavers More weavers required = 21 - 15 = 6 Last verified on 06-03-2026

28. What is the ratio of 60 cm to 3 meters?

Check answer and explanation

Answer: 1:5

Explanation Convert 3 meters to cm: 3 meters = 300 cm. text{Ratio} = frac{60}{300} = 1:5 Ratio = 60/ 300 ​ = 1 : 5

29. The ratio of the sides of a rectangle is 3:5. If the perimeter of the rectangle is 40, what is the length of the longer side?

Check answer and explanation

Answer: 12.5

Explanation The ratio of the sides is 3:5, so let's assume the sides are 3x and 5x. The perimeter of a rectangle is the sum of all its sides: Perimeter = 2(Length + Width) = 2(3x + 5x) = 2(8x) = 16x Given that the perimeter is 40: 16x = 40 Divide both sides by 16: x = 2.5 Now that we have x, we can find the length of the longer side (5x): Length of longer side = 5x = 5(2.5) = 12.5

30. If x : 2 : 3, Find the value of (3x + 2y) : (2x + 5y)

Check answer and explanation

Answer: !2:19

Explanation

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