Recruitment online test questions

12 Spencer had to rush to the stronghold 20 miles away, and the headquarters only assigned them 1 car and a driver. The speed of the car is 20 miles per hour, and the speed of travel is 4 miles per hour. Apart from the driver, this car can only take four people. The driver takes four people on the bus at a time, puts them down after 12 miles, goes back to pick up the other four people, and picks up the last four people after 12 miles. How long did they share it?

2.4 hours

B 2.6 hours

C 2.8 hours

D 3 hours

The answer is B.

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