During which month do people sleep the least?

I look at you, you look at me I raise my right, you raise your left. What am I?

What have one eye but still cannot see?

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?

How many triangles can you find in this given picture?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

The centre of the third figure is empty. What digit should fit inside?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

In a family supper, a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one daughter-in-law, and one mother-in-law need to sit at a table.

There are only seven chairs available at the place. How many more chairs do they have to borrow so that everyone can sit down together for the suppers if everybody requires a separate chair?