Course Instructor

Course Details

Work & Interest form a crucial area in various competitive CAT and Non CAT exams. Throughout the course, students receive classroom-like hand-holding at every step of the course. It includes a dedicated course manual, guiding a student with actionable steps to ensure comprehensive and result-oriented learning. Course includes: 5 videos lectures, 2 live lectures, 1 eBook, 50 plus practice questions.

Questions on time & work come in various forms in Quantitative section of CAT. These concepts help in estimating efficiencies as well as wage-distribution of the workers. The simple technique of ‘chain rule’ can be used to find out the time taken and workers required to complete a given piece of work. Questions regarding pipes & cisterns commonly feature in CAT. Also, you will learn how to calculate interest on the amount invested in bank accounts. Learn the formulae to find installments as well as interest compounded annually, half-yearly, quarterly etc.

What you will learn

  • Concept of General questions on work and interest
  • Concept of Pipes and Cistern
  • Concept of Chain rule
  • Concept of Simple interest
  • Concept of compound interest

Curriculum for this course

Pre-Assessment Test

  • Take this test to assess your current skill level in Work and Interest.


  • Chain Rule – Basic
  • Work and Pipes
  • Simple Interest – Basic
  • Compound Interest
  • Simple and Compound interest – Advanced

Live Lectures (An sms/email will be sent 30 minutes before live lecture. Live lectures are conducted on a regular basis and details will be updated here. Once available, you can view previously recorded live lecture.)

  • Lecture 1 - The concept of Chain Rule, Time and Work and its application
  • Lecture 2 - The concept of Simple interest and compound interest and its application


  • In this eBook, you will have the basic theory of chain rule, time & work and interest. All the points of theory of these chapters are followed by the relevant examples for the better understanding of concepts.


  • Practice Assignment – 01
  • Practice Assignment – 02
  • Practice Assignment – 03
  • Practice Assignment – 04
  • Practice Assignment – 05

Online Tests

  • Practice test - Work & Chain Rule Basic 01
  • Practice test - Work & Chain Rule Basic 02
  • Practice test - S.I & C.I basic 01

Doubt & Discussion Group

  • You will be sent a Telegram Group invite link within 48 hours.

Support & Help

  • You will be sent a Telegram Group invite link within 48 hours. If you don’t receive the link, drop your details.

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Work and Interest