A) 10
B) 11
C) 20
D) 21
Correct Answer: B
Solution :
Speed of every car is 60 km/h Distance between two stations = 60 km Time taken by car to reach the other station \[=\frac{60}{60}=1\,h=60\,\min \] Number of car leaving the station\[X\]in 60 min \[=\frac{60}{10}=6\] When 1st car reaches the station Y the car sixth just starts its journey. The car Y will encounter the number of cars coming from X in route\[=6+5=11\].You need to login to perform this action.
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