Can you count the number of triangles in the given figure?

Which alphabet is a part of our body?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

What part of Turkey has the most feathers?

I can write cow in 13 letters.

Can You?

I have an eye but still cannot see.

Who am I?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...