A bullet is fired from a high power rifle. At the exact time, and from the same height, a duplicate bullet is dropped by hand near the barrel of the rifle. Which will hit the ground first? The fired bullet
The dropped bullet
Both bullets hit the ground at the same time.
Not enough information.

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?