There was an aeroplane crash, every single person died, but two people survived. How is this possible?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

What is the fastest way to double your money?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Why despite killing dozens of people Charley and Wilma were not punished?

What is the end of everything?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

How can you tell a raw egg from a hard-boiled egg?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?