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Problems on Trains

by Placement FactoryPlacement Factory
Type: NoteCourse: Placement Preparation Specialization: Quantitative AptitudeOffline Downloads: 241Views: 7651Uploaded: 2 months ago

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Placement Factory
Placement Factory
Preface The Digi-notes (The Problems on Trains) as presented here is prepared strictly according to IBPS-PO, IBPS-Clerk, IBPS-SO and other PO/Clerk level competitive exams. The main aim of the Digi-notes is to develop Page 3 of 18
the concept of dealing with “Problems on Trains” so that candidate would be able to handle the quantitative problems of the real world easily and conveniently and hence in their competitive exams. Candidates are advised to handle the Digi-notes by keeping in mind that they are going to LEARN (NOT STUDY) the Problems on trains so that you; yourself would be able to minimize the steps required to conclude the answer of the question and hence develop the SHORT TRICKS. All the best… Contents 1. Preface …………………………………………………………………………………..2 2. Contents …………………………………………………………………………………3 3. Introduction ……………………………………………………………………………4 Page 4 of 18
4. Self Analysis Time …………………………………………………………………..4 Problems On Trains Introduction Page 5 of 18
In the discussion till now (as in the diginotes of the Speed Time and Distance); we never included the length of the moving object in the distance covered. The problem based on trains is a special case of speed time and distance in which the length of the moving objects becomes the distance covered. How we would be able to identify whether the length of the moving objects should considered as the distance covered? It will be told by the “Time of Crossing”. That will tell us whether we should consider the length of the moving object as distance or not as illustrated with the help of the following discussion. Self Analysis Time 1. A train running at the speed of 60 km/hr. crosses a pole in 9 seconds. What is the length of the train? Page 6 of 18

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