Question 1090621
An 8m long bus, travelling at a speed of 30km/h, entered a tunnel. It to0k 3 minutes to come out completely the other end. Find the length of the tunnel. 
------------
30 km/hr = 0.5 km/min = 500 meter/min
----
In 3 minutes the bus moves 3*500 = 1500 meters.
--
The tunnel length = 1500 - 8 - 8 = 1484 meters