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Mixtures and Allegations MCQs for Competitive Exams

Prepare for Mixtures and Allegations MCQs for Competitive Exams with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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Topic Notes: Mixtures and Allegations

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.

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Master Mixtures and Allegations MCQs for Competitive Exams with our comprehensive, verified question bank. Designed for students and competitive exam aspirants across Pakistan, this study resource provides topic-wise practice questions for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests.

Exam Focus
Aligned with FPSC, PPSC, and CSS syllabus criteria for Mixtures and Allegations.
Past Papers
Includes frequently repeated questions from past examinations.
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Preparation Guide & Key Focus Areas for Mixtures and Allegations MCQs

When preparing for Mixtures and Allegations MCQs (Mathematics-General Ability), focus on core definitions, historical timelines, relevant provisions, and commonly tested factual points. Review each question below, test your knowledge against the given options, and inspect the detailed explanation to solidify your understanding.

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51
Two vessels A and B contain spirit and water mixed in the ratio 5:2 and 7:6 respectively. Find the ratio in which these mixtures be mixed to obtain a new mixture containing spirit and water in the ratio 8:5.
52
A liquid A is lighter than water by 20% and liquid B is heavier than water by 30%. In what ratio should they be mixed to get a mixture which is as heavy as water?
53
Find the ratio in which tea at Rs. 15/kg and Rs. 20/kg should be mixed to produce a mixture worth Rs. 16.50/kg.
54
An alloy contains zinc and copper in the ratio 5:3 and another alloy contains zinc and copper in the ratio 2:1. If equal quantities of both alloys are melted together, the ratio of zinc to copper in the new alloy will be:
55
A milk vendor mixes water with milk and sells the mixture at the cost price of pure milk, thereby making a 25% profit. Find the percentage of water in the mixture.
56
In a zoo, there are some pigeons and some rabbits. If their heads are counted, these are 100. If their legs are counted, these are 320. How many pigeons are there?
57
If an alloy contains copper and silver in the ratio 3:2, what percentage of the alloy is silver?
58
Two alloys A and B contain zinc and copper in the ratio 1:2 and 2:3 respectively. In what ratio should the two alloys be mixed to get a new alloy containing zinc and copper in the ratio 5:8?
59
A merchant has 120 kg of sugar, part of which he sells at 10% profit and the rest at 25% profit. He gains 15% on the whole. The quantity sold at 10% profit is:
60
15 liters of a mixture contains alcohol and water in the ratio 1:4. If 3 liters of water is mixed in it, the percentage of alcohol in the new mixture will be: