Question
Download Solution PDFA thief seeing a policeman from a distance of 300 m starts running at a speed of 10 km/h. The policeman gives chase immediately at a speed of 12 km/h and the thief is caught. What is the distance run by the thief?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven :
Speed of Policeman = 12 km/h
Speed of thief = 10 km/h
Calculation :
⇒ (300 + x)/1000 × 12 = x /1000 × 10
⇒ 300 + x/12 = x/10
⇒ 3000 + 10x = 12x
⇒ 2x = 3000
⇒ x = 1500 m = 1.5 km
∴ The correct answer is 1.5 km.
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