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Showing posts from July, 2015

### Time and Work -Competitive Exam Questions and Answers With ShortCuts

If you are preparing for competitive examinations, one of the sure shot questions in aptitude is problems related to time and work. Though the questions are simple, without knowing the correct methods, there is a chance of making mistakes. This guide explains various shortcuts which can be used to answer the questions in the work and time section. If you have the correct formula, you can solve most of the questions by simply using it. For those who are preparing for various government jobs through SSC, PSC and UPSC may find this guide helpful. Important Formulas and Concepts If a man completes certain work in ' n ' days, work done by him in one day is 1/n . If the work done by a man in one day is 1/n , he can finish the total work in n days. Time and work are always inversely proportional to each other. If M1 persons can do W1 work in D1 days and M2 persons can do W2 work in D2 days, the general formula to find the total work or total time is : M1 * D1 *