CAT
Exam
A car running at a speed of 50 kph crosses a road double its length in 30.4 seconds.what is the length of the road?
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- Ans=281.481 m.
If the length of the car=x, length of the road=2x
The car has to cross the total length=x+2x=3x
Speed=50 kph=50000/3600 m/s
Time=30.4=3x/(50000/3600) or x=140.74,
so length of the road=2x=2*140.74=281.481 m. - 11 years agoHelpfull: Yes(1) No(0)
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