A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Can you make four (4) nines (9) equal 100?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

It belongs to you, but other people use it more than you do. What is it?

Look at the picture and find out which square is not linked with any of the other squares.

What has a ring but no finger?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

I have an eye but still cannot see.

Who am I?