A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

How is the moon similar to a dollar?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

What is the end of everything?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?