Question

two cars are moving in the same direction with the same speed of 30km/hr.they are separated by a distance of 5km, the speed of a car moving in the opposite direction if it meets these two cars at an interval of 4 minutes. will be
a. 40km/hr
b. 45km/hr
c. 30km/hr
d. 15km/hr​

Answer 1

Answer:

45 km/h

Solution:-

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=1/15×(30+x)

x=45

________

45 km/h

Answer 2

Answer:

hiiiii

your answer is here !

Explanation:

45 km/HR