Question
Download Solution PDFAn old man is walking on a foggy road at a speed of x km/hr. Due to low visibility, the old man see only up to 600 meters. If a car overtakes the man from the behind with the speed of 15 km/hr then the man can see the car for 216 seconds. Find the speed of the man?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFDistance up to old man see = 600/1000 = 0.6 km
Time for which the man can see the car = 216/(60 × 60) = 0.06 hour
ATQ, 0.6/(15 - x) = 0.06
⇒ 15 - x = 10
⇒ x = 5
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