Question

A thief escaped from the police and drove away in a bike at 100km/hr.The police immediately started chasing at 75km/hr.After an hour,there was an engine problem in the police vehicle which took 30 minutes to set it right.thereafter the speed of the vehicle picked up to 120km/hr.
After how long much time was the thief caught?

Answer 1

Answer:

after 105m the their was caught

Answer 2

Answer:5hr 15min

Step-by-step explanation ; all unit is in hours

distance traveled by police = 75*1 +120*x

distance traveled by thief = 100*1 + 100*0.5 +100*x

by equating x=4 hr and 45 min

by adding 30 min rest time to x = 5 hr 15 min willbe the answer