CAT Quantitative Ability Questions | CAT Number System questions

CAT/1995

Question . 159

Two positive integers differ by 4 and sum of their reciprocals is 10/21. Then one of the number is

A : 3B : 1C : 5D : 21
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Explanatory Answer

Method of solving this CAT Quantitative Ability Question from Number System question

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