What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

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?

What has many keys but can’t open a single lock?

There was a strange boy who was born before his father. How can this be possible?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

Count the number of triangles in the below picture?

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

12345 a famous South Indian actor
567 is a path in jumbled form
8 & 10 are same letters
9 is one among the first six alphabets.
WHO AM I?

What does this rebus puzzle means ?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?