A killer had a knack of kidnapping a victim to his hideout to decide their fate. He always gives them a choice of 2 pills. The killer knows what pill is good and bad. The victim has to take a pill and drink water for them to have it. The process repeats several times. How does this happen?

Answer below.

Hint: Pay close attention to the description of the riddle.

A killer had a knack of kidnapping a victim to his hideout to decide their fate. He always gives them a choice of 2 pills. The killer knows what pill is good and bad. The victim has to take a pill and drink water for them to have it. The process repeats several times. How does this happen? Answer below. Hint: Pay close attention to the description of the riddle.