Question

Two cars are moving wither the speed of 30 kmph. They are separated from each other by 5 km. Third car in opposite direction meets the two cars after 4 mins. Speed of third car is

Answer 1

Speed of third car =x.

It meets two cars in 4 minutes = 4/60hr 1/15hr.

Third car is moving opposite the two cars.

5=115∗(30+x)5=115∗(30+x)

x=45x=45