During which month do people sleep the least?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

What goes up but never comes down?

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

What is the word or phrase?

What does an Island and the letter T have in common?

By what process could you make a 'Tea-Table' into food?

The cream is heavier than Milk. True or False?