Join WhatsApp Icon CAT WhatsApp Group
Question 13

What is the value of k for which the following system of equations has no solution:
2x-8y = 3 and kx +4y = 10

Solution
Share

On solving both equations, we will get $$x = \frac{23}{2+2k}$$
now for having no solutions to system 2+2k should be 0.
Hence k=-1

video
View More Questions From Functions, Graphs and Statistics

Create a FREE account and get:

  • All Quant CAT complete Formulas and shortcuts PDF
  • 38+ CAT previous year papers with video solutions PDF
  • 5000+ Topic-wise Previous year CAT Solved Questions for Free

CAT Quant Questions | CAT Quantitative Ability

CAT Number Systems QuestionsCAT Time Speed Distance QuestionsCAT Probability, Combinatorics QuestionsCAT Data Sufficiency QuestionsCAT Averages Questions

CAT DILR Questions | LRDI Questions For CAT

CAT Charts QuestionsCAT Maxima-Minima QuestionsCAT Coins and Weights QuestionsCAT Table based DI Sets QuestionsCAT Routes And Networks Questions

CAT Verbal Ability Questions | VARC Questions For CAT

CAT Vocabulary QuestionsCAT Critical Reasoning QuestionsCAT Para Jumbles QuestionsCAT Grammar and Sentence Correction QuestionsCAT Para Summary Questions

Free CAT Quant Questions

CAT Inequalities

CAT Coordinate Geometry

CAT Time And Work

CAT Remainders

CAT Linear Equations

CAT Geometry

CAT Time Speed Distance

CAT Arithmetic

CAT Probability, Combinatorics

CAT Profit And Loss

CAT Averages, Ratio and Proportion

CAT Number Series

CAT Averages

CAT Percentages

CAT Functions, Graphs and Statistics

CAT Progressions and Series

CAT Number Systems

CAT Averages Mixtures Alligations

CAT Logarithms, Surds and Indices

CAT Logarithms

CAT Algebra

CAT Quadratic Equations

CAT Venn Diagrams

CAT Mensuration

CAT Profit and Loss

CAT Data Sufficiency

CAT Simple Interest Compound Interest

CAT Time, Speed and Distance