Time and Work Problem

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Time and Work Problem

Rule: If A can do a piece of work in D days, then A's 1 day's work = 1/D

Rule: If A's work efficiency is 2 times as compared to B then Ratio of work done by A and B is 2 :1 Ratio of times taken by A and B to finish a work = 1 : 2 (inverse ratio)

Rule: Let M1 person can do W1 work in D1 days with time T1 and M2 person can do W2 work in D2 days with time T2, then the relationship can be written as

Formula

 
 M1D1T1W2 = M2D2T2W1

Rule: If A, B and C can do a work in x, y and z days respectively then all of them working together can finish the work in

Formula

 
XYZ / XY+YZ+XZ number of days

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Path variable is set for providing path for all Java tools like java, javac, javap, javah, jar, appletviewer which are used in java programming. All these tools are available in bin folders so we set path upto bin folders.

Classpath variable is set for providing a path for predefined Java classes which is used in our application. All classes are available in lib/rt.jar so we set classpath upto lib/rt.jar.

Cloud computing is the on demand availability of computer system resources, especially data storage and computing power, without direct active management by the user.

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