How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

There are forty elephants and they have forty-fore heads. How can this be possible?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

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

Count the number of triangles in the given picture.

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

In the image given, you can find several triangles. Can you count them all?

Move three sticks of the spiral below to form a square.