What is so fragile that saying its name breaks it?

Count the number of triangles in the picture below:

Decode this picture on T-Shirt and tell what it says ?

What has to be broken before you can use it?

If two's company, and three's a crowd, then whats four and five ?

Solve the equation in the image by looking at the pattern closely.

Can you replace the question mark with the correct number in the below table sequence?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

John is on an island and there are three crates of fruit that have washed up in front of him. One crate contains only apples. One crate contains only oranges. The other crate contains both apples and oranges.

Each crate is labelled. One reads 'apples', one reads 'oranges', and one reads 'apples and oranges'. He know that NONE of the crates have been labeled correctly - they are all wrong.

If he can only take out and look at just one of the pieces of fruit from just one of the crates, how can he label all of the crates correctly?

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?