If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

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?

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

What's the only room from which no one can enter or leave