Join WhatsApp Icon CAT WhatsApp Group
Question 28

All the page numbers from a book are added, beginning at page 1. However, one page number was added twice by mistake. The sum obtained was 1000. Which page number was added twice?

Solution
Share

If the number of pages is 44, the sum will be 44*45/2 = 22*45 = 990
So, the number 10 was added twice

View More Questions From Number Systems

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 Profit And Loss QuestionsCAT Venn Diagrams QuestionsCAT Averages QuestionsCAT Probability, Combinatorics QuestionsCAT Arithmetic Questions

CAT DILR Questions | LRDI Questions For CAT

CAT Games and Tournamnents QuestionsCAT Table based DI Sets QuestionsCAT Scheduling QuestionsCAT Data Interpretation Basics QuestionsCAT 2D & 3D LR Questions

CAT Verbal Ability Questions | VARC Questions For CAT

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

Free CAT Quant Questions

CAT Logarithms, Surds and Indices

CAT Time, Speed and Distance

CAT Number Series

CAT Percentages

CAT Linear Equations

CAT Coordinate Geometry

CAT Profit And Loss

CAT Functions, Graphs and Statistics

CAT Arithmetic

CAT Progressions and Series

CAT Averages

CAT Averages Mixtures Alligations

CAT Quadratic Equations

CAT Mensuration

CAT Algebra

CAT Time And Work

CAT Profit and Loss

CAT Logarithms

CAT Venn Diagrams

CAT Time Speed Distance

CAT Geometry

CAT Probability, Combinatorics

CAT Number Systems

CAT Data Sufficiency

CAT Averages, Ratio and Proportion

CAT Remainders

CAT Inequalities

CAT Simple Interest Compound Interest