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Grade: 12

                        

boy standing at a corner noticed a thief on bike moving with 54 km/hr and after some time a police jeep crosses him with speed 72 km/hr. if jeep catches the thief at a distance of 1 km from the boy then the time gap between bike & jeep will be when they cross the boy :-

3 years ago

Answers : (1)

Dhruv
11 Points
							Given,Speed of theif=54km/hrSpeed of police=72km/hrNow,If theif travel 54km in=1hrThen theif travel 1km in =1/54hr                                           =66.66secNow,If police travel 72km in =1hrThen police travel 1km in = 1/72hr                                              =50secTime difference between theif and police after crossing the boy =66.66sec-50sec                                       =16.6sec
						
3 years ago
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