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A thief away from a police …

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A thief away from a police with a speed of 100m/min. After one minute a policeman runs behind the thief to catch him . He goes at a speed of 100m/min in first minute and increases the speed 10m/min on each succeeding minute. After how many minutes the policeman catches the thief

Posted by Lakshay Goel 7 years, 9 months ago

CBSE > Class 10 > Mathematics

2 answers

Hero Yo 7 years, 9 months ago

Let the time taken by thief be n+1 And by police be n Then, 100(n+1)=n/2(100+(n-1)10) Then solve it and n comes as5 So time taken =5min

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Khushi Yadav 7 years, 9 months ago

After 5 minutes

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CBSE > Class 10 > Mathematics