Question
Download Solution PDFIn a circular race of 4225 m, X and Y start from the same point and at the same time at speeds of 54 km/h and 63 km/h. When will they meet again for the first time on the track when they are running in the opposite direction?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
X and Y start from the same point and at the same time at speeds of 54 km/h and 63 km/h.
Distance = 4225 m
Formula used:
Distance = relative speed × time
Calculations:
The relative speed of both in the opposite direction = S2 + S1
= 54 + 63 =117 km/h = 117 * (5/18) = 65/2 m/s.
So,
Time is taken by them to meet for the first time on the track while running in opposite direction = Length of track / relative speed in opposite direction
= 4225/(65/2) = 130 seconds
Hence, The Required time is 130 seconds.
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