If the data is for 10 bogies and for every 2 bogies added speed decreases by 5% what will be the speed after 5 hrs.


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If a car starts from A towards B with some velocity due to some problem in the engine after travelling 30km.If the car goes with 4/5 th of its actuval velocity the car reaches B 45min later to the actual time. If the car engine fails ofter travelling 45km, the car reaches the destination B 36min late to the actual time , what is the initial velocity of car and what is the distance between A and B in km

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A lorry averages 55mph for the first 4 hours of a trip and averages 70 mph for each additional hour. The average speed for entire trip was 60 mph. How many hours long is the trip? a)14 b)12 c)11 d)8 e)6

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0.75 * 0.75 * 0.75 - 0.001 0.75*0.75-0.075+0.01

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