Kevin Langdon Omni IQ test
Q55
A man plays a
game of Russian Roulette in the following way. He places two bullets in a
six-chamber cylinder and pulls the trigger twice. The cylinder is spun
before the first shot, but it may or may not be spun after putting in the
first bullet and after taking the first shot.
Which of the following situations produces the
lowest probability of survival?
A. Spinning the cylinder after loading the
first bullet and spinning again after the first shot.
B. Spinning the cylinder after loading the first
bullet only.
C. Spinning the cylinder after firing the first shot
only.
D. Not spinning the cylinder either after loading
the first bullet or after the first shot.
E. The probability is the same for all cases.