Chain Rule

Practice MCQ with Solutions

Video Lesson on Chain Rule

Chain rule is commonly applied in Ratios and proportions questions when more than two ratios are inter-related.

Points to Remember

1) Direct Proportion:

Any two quantities are said to be directly proportional, if on the increase of one quantity, the other quantity increases and vice-versa.

  • Example: Cost is directly proportional to number of objects
    Cost ? Number of objects
    Number of objects increases (↑) Cost (↑)
  • Example: Work done is directly proportional to number of working men
    Work done ? Number of working men
    Number of men increase (↑) Work done (↑)

2) Indirect Proportion:

Any two quantities are said to be indirectly proportional, if on the increase of one quantity, the other quantity decreases and vice-versa.

  • Example: If speed of car is increases, then the time required to cover the distance decreases.
    Speed of car (↑) Time required decreases (↓)
  • Example: Time taken to finish work increases, if number of men decrease.
    Time (↑) Number of men (↓)

Tips and Tricks

In this chapter generally different types of numerical related to time and work, time and speed, cost and number of articles, men and work, etc. are asked.

Topics

More for You
MCQ with question Explanations Scholarships and Financial Aid

ISSB Verbal Intelligence Tests

Learn all about ISSB Verbal Intelligence Tests

ECAT Engineering Colleges Admissions Tests

Prepare ECAT with practice questions for admissions in Engineering colleges

GRE General Preparation

Prepare GRE General paper-base and online

All in this Category

You may be interested in

Colleges in Rawalpindi

List of major colleges in Rawalpind ...

Colleges in Quetta

Find a comprehensive list of major ...

Speak and Succeed

Develop skill so that when speak yo ...

UK Visa for International students

How you can get UK Visa for Interna ...

Schools in cities of Sindh

Find school in your location in the ...

Schools in Biggleswade

Find a comprehensive list of major ...

Schools in Bromley

Find a comprehensive list of major ...

Schools in New Addington

Find a comprehensive list of major ...

NTS GAT General Preparation

Prepare NTS GAT General paper-base ...

Analogies

Lessons and practice questions for ...

About us

EntryTest.com is a test preparation service for students seeking successful career.

About Disclaimer

Quick Test Prep

NUST NET IBA Karachi SAT LUMS LCAT LSE

 

NTS GAT NTS NAT GMAT GRE ACT

Study Abroad

Education Abroad Business Schools MS in USA