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Question

A theif running on a train with 12km/h . The police car moving with 80 km/h . If the speed of the train is 60 km/h .what is the speed of theif w.r.t police car?


Solution

Speed of the police car=80km/hr

Speed of train=60km/hr

Speed of thief on the train=12km/hr

Therefore,speed of the thief=60+12km/hr
                                            
                                            =72km/hr

Hence,speed of the thief w.r.to  police car =72-80
                                                                   
                                                                  =-8km/hr

since speed cant be negative this  means speed of the thief is less than the police car.

hope it helps frnd

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