Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

What is more useful when it is broken?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

What has to be broken before you can use it?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

How many times can you subtract the number two from the number fifty?

Which point will the car reach to go out?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

John was piloting a plane behind a car but was never able to overtake it. Why?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?