I shave every day, but my beard stays the same. What am I?

How many triangles can you count in the figure given?

Using Only Five 5's and any mathematical operator make sum as 37

I know a nine-letter word having only one vowel.
Do you ?

Seven Robbers robbed a bank and hide the coins in a lonely place.
They decide to divide the money equally the next morning. Two greedy robbers decided to cheat the others and reach the place at night. They equally divided the coins between them, one coin left. So they called another robber and then they decided to divide equally among the three. Sadly again one coin left. The same thing happened to the 4th 5th and the 6th robber.
However, when the 7th robber reached in the morning, they can divide the coins equally.

How many coins were there in total?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

What has no start, end, or centre?

Which of the below owl is odd one out?