Two cars are moving in the direction wit...

Two cars are moving in the direction with a speed of `30 "km h"^(-1)` . They are separated from each other by 5 km. Third car moving in the opposite direction meets the two cards after an interval of 4 minutes. What is the speed of the third car?

`30 "km h"^(-1)`

`35 "km h"^(-1)`

`40 "km h"^(-1)`

`45 "km h"^(-1)`

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