[travellingsalesman]

with no information about  the bridge length, this question is incomplete....

What do you guys think about this question (Question number 63) ?Whether should be challenged or not?

Can you post the questions here? Discussion over each question would be quite productive.

Please answer this.

There are trucks and cars traveling in a single lane. The size of Truck is 10 m while a size of a car is 5 m. There should be 20 m gaps between each truck and 15 m gap in each car. Cars and Trucks can travel alternately at the speed of 36 km/h. How many vehicles can cross a bridge (nothing particular value given about to the bridge) in an hour?

36km/hr -  36000m
total length(cars and trucks and gaps) - 5 + 15 + 10 + 20 = 50
36000/50 = 720 car and trucks = 1440 vehicles(I marked it as 720!!)