During which month do people sleep the least?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

What is the coolest letter in the alphabet?

What has 13 hearts but no other organs?

Below rebus represent famous DiCaprio movie. Can you name it?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

Rearrange the letters in "new door" to make one word.

The more you take me, the more you leave me behind.
Who Am I?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?