Numbers for competitive and entrance exams

person icon Srinivasa Rao Gorantla

Numbers for competitive and entrance exams

A comprehensive course

updated on icon Updated on Sep, 2023

language icon Language - English

person icon Srinivasa Rao Gorantla

architecture icon Test Prep,Math,GRE,GMAT,College Entry Exam


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Course Description

Numbers is one of the most important topics. Good number of questions are asked in any exam. In most of the exams where quantitative aptitude is a test area, numbers is a key topic. Questions are often perceived to be difficult. But with a clear understanding of the concepts, these questions can be answered easily. Numbers is a big topic and I have covered the topic comprehensively. The following are some of the sub topics covered.

  • Classification of numbers
  • Divisibility rules
  • Number of factors and related concepts
  • Number of co-primes and related concepts
  • Reversing the digits of a number
  • Relation between the sum and the product of numbers
  • Squares & Cubes – Important observations
  • Index of the greatest power (I.G.P) of a number
  • L.C.M and H.C.F
  • Successive Division
  • How to find the unit’s digit? How to find the last two digits?
  • Remainders-Pattern Method, Remainder theorem Method, Binomial theorem method.
  • Fermat’s little theorem
  • Wilson’s theorem


What will you learn in this course:

  • This course is ideal for those who are appearing for competitive exams to learn the Numbers concepts comprehensively, in the limited time that they have. This course is also well-suited for those who want to revise all the key concepts and practice exam-level questions in a short span.


What are the prerequisites for this course?

  • As I am discussing from the basic concepts, no prior knowledge is required.
Numbers for competitive and entrance exams


Check out the detailed breakdown of what’s inside the course

1 Lectures
  • play icon Introduction 02:46 02:46
29 Lectures

Instructor Details

Srinivasa Rao Gorantla

Srinivasa Rao Gorantla

•For the past 25 years, I have trained thousands of students in Quantitative Aptitude for CAT / GMAT/ GRE® and competitive exams like Bank PO & Clerk/ Staff Selection Commission Exams/ CSAT/CRT and other exams

•I have 30,000+ hours of classroom teaching experience.

•I have more than two decades of experience in training faculty members, at India's leading test-preparation institute.

•I have more than two decades of experience in training students for Group Discussions & Personal Interviews.

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