Here's a brain challenge. There is a right answer and a wrong answer. In my experience, bright people arrive at both answers, and tend to dig in ferociously and start yelling. So here it is - remember to be nice and not yell at people - first person to use all caps loses.
An airplane sitting on a conveyor belt. The airplane has either propellers or jet engines - it doesn't matter. The airplane's wheels are just wheels - no brakes or motors on the wheels at all.
For purposes of thi
Here's a brain challenge. There is a right answer and a wrong answer. In my experience, bright people arrive at both answers, and tend to dig in ferociously and start yelling. So here it is - remember to be nice and not yell at people - first person to use all caps loses.
An airplane sitting on a conveyor belt. The airplane has either propellers or jet engines - it doesn't matter. The airplane's wheels are just wheels - no brakes or motors on the wheels at all.
For purposes of thi