A thief steal a car at 1 30pm and drive at a speed of 60km hr Police came to know about theft at 2 3...........

Quantitative Aptitude ( CCS) Time & distance

A thief steal a car at 1:30pm and drive at a speed of 60km/hr. Police came to know about theft at 2:30pm and start chasing him with the speed of 70km/hr. after how much kilometer police will catch the thief ?

360km

420km

440km

480km

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Explanation:

Solution:
Police came to know about theft after 1hou. So distance between thief and police 60km, now police start chasing him with a relative speed of 10km/h (70-60)
Time taken by police = 60/10 = 6hrs
Distance run by police = 70*6= 420km