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Interval Estimation for Means, Proportions, and Variances MCQs

Prepare for Interval Estimation for Means, Proportions, and Variances MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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390987 MCQs Page 32765

Topic Notes: Statistics

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Practice Statistics MCQs to prepare for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests in Pakistan. This section covers key theoretical concepts, syllabus topics, and repeated past paper questions related to Statistics.

Topic-Wise Breakdown
Structured subject modules organized by difficulty and exam frequency.
Verified Answer Keys
Detailed explanations cross-referenced with standard textbooks and commission keys.
Complete Coverage
Covers fundamental definitions, advanced problem-solving, and recent exam trends.

How to Prepare Statistics MCQs for Competitive Exams

Review each sub-topic systematically. Start with fundamental concepts, practice multiple-choice question sets under timed conditions, and note down questions you missed in your revision tracker. Select a specific topic from the list below to begin practice.

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The ratio of the present ages of two brothers is 1 : 2. 5 years back, the ratio was 1 : 3. What will be the ratio of their ages after 5 years?
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An alloy contains copper and zinc in the ratio 5 : 3. If it contains 24 grams of zinc, the total weight of the alloy is:
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If 3x = 5y = 4z, then x : y : z is equal to:
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What number must be added to each of the numbers 6, 15, 20, and 43 to make them proportional?
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If a : b = c : d = e : f = 1 : 2, then (3a + 5c + 7e) : (3b + 5d + 7f) is equal to:
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The ratio of the length and breadth of a rectangular field is 5 : 4. If the breadth is 20 meters less than the length, the perimeter of the field is:
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Find the fraction which bears the same ratio to 1/27 that 3/11 does to 5/9.
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The incomes of A and B are in the ratio 3 : 2 and their expenditures are in the ratio 5 : 3. If each saves Rs. 1000, A's income is:
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Two numbers are in the ratio 5 : 9. If 9 is added to each, they are in the ratio 16 : 27. The second number is:
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A sum of money is distributed among A, B, C, and D in the ratio 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B's share?