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If a car starts from A towards B with some velocity. Due to some problem in the engine after traveling 30km, the car goes with 4/5 th of its actual velocity The car reaches B 45 min later to the actual time. If the car engine fails often traveling 45km, the car reaches the destination B 36min late to the actual time?


  
Total Answers and Comments: 2 Last Update: June 10, 2006   
  
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March 31, 2006 12:33:16   #1  
swati        
RE: If a car starts from A towards B with some velocit...

let xkm/s be the velocity of a car ykm be the distance

(30/x)+(y-30)*5/(4*x) y/x+45/60

(45/x)+(y-45)*5/(4*x) y/x+36/60

solve it


 
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June 10, 2006 08:00:41   #2  
kak        
RE: If a car starts from A towards B with some velocit...

velocity 20/3;

distance b/w A & B 110


 
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