CAT Quantitative Ability Questions | CAT Set Theory questions

CAT/2000

Question . 20

Given that X = M.D is such that X = D, which of the following is true?

A : All dogs are mammalsB : Some dogs are mammalsC : X = ΦD : All mammals are dogs
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Explanatory Answer

Method of solving this CAT Quantitative Ability Question from Set Theory question

(a) X = M.D. X = D

It clearly shows that all dogs are mammals.

CAT Quantitative Ability

 Number System
 Set Theory
 Functions
 Averages, Ratio & Proportion
 Percentage, Profit & Loss
 Algebra
 Geometry
 Mensuration
 TIme, Speed, Distance and Work
 Permutation, Combination and Probability

CAT DILR

 Line Chart & Bar Chart
 Pie Charts
 Data Tabulation
 Data Sufficiency
 Logical Reasoning
 Analytical Reasoning

CAT RC

 RC- Social Science
 RC Based on Natural Science
 RC Based on Humanities

CAT Verbal Ability

 Grammar
 Critical Reasoning
 Para Jumbles
 Paragraph Completion
 Para Summary
 Odd One Out
 Analogy
 Fill in the Blanks
 Antonyms
 Synonyms
 Word Usage
 Fact, Inference & Judgement
 Deductions