A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes. How long will it take the patient to consume all the five tablets?
How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?
Can you find the dog hidden in a group of pandas?
What can you catch but never throw?
What has one eye, but can’t see?
What can you hold in your right hand, but never in your left hand?
The answer I give is yes, but what I mean is no. What was the question?
How can you tell a raw egg from a hard-boiled egg?
A word I know has six letters it contains, remove one letter and 12 remain. What is it?
I have four wings but can't fly. I express no emotions. I am found on the exact spot every time you look. I keep toiling away with a little sound. Do you know what am I?
If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.