Course Curators

Course Details

Work & Interest form a crucial area in various competitive 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.

Questions on time & work come in various forms in Quantitative section. 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 & Compound Interest

Curriculum for this course

Pre-Assessment Test

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


  • Chain Rule
  • Time & Works
  • Simple Interest
  • Compound Interest

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


  • Read this e-book to gain insight into concepts of Time & Work and Interest along with solved examples.


  • Time & Work and Interest Practice Assignment 01
  • Time & Work and Interest Practice Assignment 02

Online Tests

  • Evaluation Test 01 - Work & Interest
  • Evaluation Test 02 - Work & Interest

Doubt & Discussion Group

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

Support & Help

  • Feel free to message us with any issues, queries or feedback you have about this course. We are happy to help!

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Time & Work, Interest