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"3" Riddles - Next 10 of 3606.
Riddle:
A city has one million inhabitants which one hundred are terrorists. Facial recognition software has been installed on security cameras to sound an alarm when detecting a terrorist. There are two bugs: 1. False negative: When scanning a terrorist, the alarm will only sound 99 percent of the time. 2. False positive: When scanning a non-terrorist, the alarm will incorrectly be triggered 1 percent of the time. The alarm sounds. What is the approximate probability that the inhabitant is a terrorist? a) 99 percent b) 98 percent c) less than one percent
Answer: C. Even though the bugs rarely apply, there are way more civilians than terrorists and less than one percent of the city are terrorists.
Riddle:
What is 3/7 chicken, 2/3 cat, and 2/4 goat?
Answer: Chicago.
Riddle:
One day a lot of crows were getting hit by some kind of vehicle in the road. One crow is always looking out for bad things since they were eating an animal in the street but when he called caw caw they died. Why did they die?
Answer: The crow said Caw Caw not motorcycle motorclycle
Riddle:
I am something that you do everyday without knowing. I can play games/tricked with you without you knowing. What am I?
Answer: Eye
Riddle:
What starts with the letter "t", is filled with "t" and ends in "t"?
Answer: A teapot.
Riddle:
I have no life, but I can die, what am I?
Answer: Battery.
Riddle:
What is seen in the middle of March and April that can’t be seen at the beginning or end of either month?
Answer: The letter R.
Riddle:
Weight in my belly, Trees on my back, Nails in my ribs, Feet I do lack. What am I?
Answer: A ship.
Riddle:
What did the beach waves say to each other?
Answer: Nothing, the just waved.
Riddle:
What is heavy forwards, and backwards is not?
Answer: A ton
