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.

181. If a:b = 6:7 and b:c = 7:8, then a:c is equals?

A. None of these
B. 6:8
C. 7:8
D. 12:16

Check answer and explanation

Answer: 6:8

Explanation a:b = 6:7 and b:c = 7:8 Since b is 7 in both ratios, we can join them directly: a:b:c = 6:7:8 So a:c = 6:8 Simplify: 6:8 = 3:4 Last verified on 09-05-2026

182. The mean proportional between 64 and 81 is?

A. 72
B. 68
C. 48
D. None of these

Check answer and explanation

Answer: 72

Explanation The mean proportional between two numbers a and b is a number x such that : a : x :: x : b In this case, we want to find the mean proportional between 64 and 81. Let's set up the proportion: 64 : x :: x : 81 We can rewrite this as: 64/x = x/81 Cross-multiplying, we get: 64 × 81 = x^2 Simplifying, we get: 5184 = x^2 Taking the square root of both sides, we get: x = √5184 x = 72 So, the mean proportional between 64 and 81 is 72.

183. What is the fourth proportional of 3, 7 and 15?

A. None of these
B. 35
C. 36
D. 39

Check answer and explanation

Answer: 35

Explanation To find the fourth proportional of 3, 7, and 15: Let's denote the fourth proportional as x. We set up the proportion: 3/7 = 15/x Step 1: Cross-multiply. 3x = 7 × 15 Step 2: Calculate the product of 7 and 15. 3x = 105 Step 3: Solve for x. x = 105 / 3 x = 35

184. A fruit basket comprises of oranges, peaches and strawberries the ratio of orange to peachesto strawberriesis 2:3:4. If there are 8 oranges. How many total fruit items are there in the basket?

A. 16
B. 32
C. 48
D. 36

Check answer and explanation

Answer: 36

Explanation Ratio of oranges to peaches to strawberries = 2:3:4 If there are 8 oranges, we can set up an equation based on the ratio: Number of oranges = 2x = 8 To find the value of x, divide both sides by 2: x = 8 ÷ 2 x = 4 Now that we know x, we can find the number of peaches and strawberries: Number of peaches = 3x = 3(4) = 12 Number of strawberries = 4x = 4(4) = 16 Total number of fruit items = Number of oranges + Number of peaches + Number of strawberries = 8 + 12 + 16 = 36 So, there are 36 fruit items in the basket.