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

Question:

Options :

(a) 30 kmh^-1
(b) 35 kmh^-1
(c) 40 kmh^-1
(d) 45 kmh^-1

Answer :

(d) 45 kmh^-1

Answer Steps :

step 1

step 2

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