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 Intelligence Tests

Want to join Pakistan Armed Forces learn about ISSB Intelligence Tests

ISSB Tests

Learn about ISSB - Armed forces recruitment tests

GRE General Preparation

Prepare GRE General paper-base and online

All in this Category

You may be interested in

Colleges in Hydrabad

Find a comprehensive list of major ...

Colleges in cities of Sindh

Comprehensive lists of colleges in ...

World Organizations and General Issues

A list of Essays on World Organizat ...

UK Visa for International students

How you can get UK Visa for Interna ...

Schools in Dera Ismail Khan

A comprehensive list of major schoo ...

Schools in Sargodha

A comprehensive list of major schoo ...

Schools in Kingsbury

Find a comprehensive list of major ...

Schools in Enfield

Find a comprehensive list of major ...

GRE General Preparation

Prepare GRE General paper-base and ...

Sentence Correction Advance

Learn to crack Sentence Correction ...

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