Practise Ratio and Proportion MCQs MCQs in Maths. Attempt multiple-choice questions, check answers and revise related subtopics.
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.
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Answer: 15
Explanation Let the numbers be x, 2x, 3x. Product = x × 2x × 3x = 6x³ = 750 x³ = 750/6 = 125 x = ∛125 = 5 Numbers are 5, 10, 15. Highest number = 3x = 15
آسان ترین شکل میں 12 سے 18 کا تناسب کیا ہے؟
Answer: 2:3
Explanation To simplify the ratio of 12 to 18, divide both numbers by their greatest common divisor (GCD), which is 6: 12/ 6 = 2 18/ 6 = 3 Thus, the r atio of 12 to 18 i n its simplest form is 2:3.
Answer: 2 : 1
Explanation Divide both numbers by their greatest common divisor (GCD = 80): 160 ÷ 80 = 2, 80 ÷ 80 = 1 → Ratio = 2 : 1 . Last verified on 15-03-2026
Answer: 400
Explanation Total parts = 2 + 3 + 5 = 10 Salma's share = (2/10) × 2000 = 400 .
Answer: The function must be indeterminate
Explanation L'Hospital's Rule is a technique used to evaluate limits of indeterminate forms , such as 0/0 or ∞/∞. The rule states that if the limit of the ratio of the derivatives of the numerator and denominator exists, then the original limit exists and is equal to that ratio. The conditions for L'Hospital's Rule to work are : The function must be indeterminate, meaning it has the form 0/0 or ∞/∞. The derivative of the numerator and denominator must exist. The derivative of the denominator must be non-zero at the point being evaluated.
Answer: Ratio and Proportion equation
Explanation When solving problems where A and B work together, you are essentially comparing their individual rates of work and how they combine to form a total rate. This is a classic application of ratios and proportions.
Answer: 144
Explanation Green ratio = 5 parts = 60 1 part = 60 ÷ 5 = 12 Total ratio = 3 + 4 + 5 = 12 parts Total value = 12 × 12 = 144 Last verified on 12-06-2026
Answer: 20: 49 : 64
Explanation
Answer: 3:15
Explanation Let's calculate the total number of items: Total items = CDs + Pencils + Books + Mango = 3 + 4 + 7 + 1 = 15 The ratio of CDs to total items is: 3 (CDs) : 15 (Total items)
Answer: 8
Explanation Given the proportion: 6 : x :: 9 : 12 We can write it as: 6/x = 9/12 Cross-multiplying: 6 × 12 = 9 × x 72 = 9x x = 72/9 x = 8
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