Aptitude – Chain Rules – Notes For W.B.C.S. Examination.

Aptitude – Chain Rules – Notes For W.B.C.S. Examination.
Aptitude – Chain Rules – Notes For W.B.C.S. Examination.

Aptitude – Chain Rules – Notes For W.B.C.S. Examination.

Rule of three

The method of finding the 4th proportional when the other three are given is called Simple Proportional or Rule of three.Continue Reading Aptitude – Chain Rules – Notes For W.B.C.S. Examination.

Compound Proportional

Repeated use of three is called Compound Proportional.

Direct Proportional

Two quantities are said to vary directly if on the increase ( or decrease) of the one , the other increase (or decrease) to the same extent.

EXAMPLES

  1. More articles , more cost.
  2. More men, more work.

Indirect Proportional

Two quantities are said to vary indirectly if on the increase ( or decrease) of the one , the other decrease (or increase ) to the same extent.

EXAMPLES

  1. Less time to finish a work , more persons at work.
  2. More speed , less is the time taken.

 

Our own publications are available at our webstore (click here).

For Guidance of WBCS (Exe.) Etc. Preliminary , Main Exam and Interview, Study Mat, Mock Test, Guided by WBCS Gr A Officers , Online and Classroom, Call 9674493673, or mail us at – mailus@wbcsmadeeasy.in
Visit our you tube channel WBCSMadeEasy™ You tube Channel
Please subscribe here to get all future updates on this post/page/category/website
"WBCS

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

WBCS Feedburner Subscription 2019 2019 2019
Please wait...

Admission to WBCS 2020 Foundation course, Enrollment to Mains 2020 Mock Test just started! To join subscribe here!

Want to be notified for our future courses and posts in our website? Be the first to know!!!