Q:
      
      
         
            
The difference between the time taken by two trains to travel a distance of 350 km is 2 hours 20 minutes. If the difference between their speeds is 5 km/hr, what is the speed of faster train ?
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: B) 30 kmph         
         
Explanation: Let the speed of the faster train be 'S' kmph
 
Then speed of the slower train will be '(S-5)' kmph
 
Time taken by faster train = 350/S hrs
 
Time taken by slower train = 350/(S-5) hrs
 
 
=> S = 30 km/hr.
       
      
      
      
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