Solution Let the thief run for n minutes before being caught. Distance covered by the thief in n minutes=(100n)m The police man ran for (n-1) minutes to catch the thief. Distance covered by police man in (n-1) min = { 100 + 110 + 120 + … to ( n -1 ) terms = SContinue reading “A thief runs with a uniform speed of 100 m/min . After 1 minute , a policeman runs after the thief to catch him . He runs with a speed of 100m/ min in the first minute and increases his speed by 10m/min every succeeding minute. After how many minutes will the policeman catch the thief ?”
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