Count the number of triangles in the picture below:

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Can you start the fire using two pieces of wood?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

The more it dries, the wetter it becomes. Can you tell what it is?

You see me once in June, twice in November, and not at all in May. What am I?

Count the number of lines in the image below ?

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?

Can you name an animal whose killing cannot be performed without spilling your own blood?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?