What's the next in the series?

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

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

I have feet, but no legs. Which animal Am I?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

Why is Saturday stronger than Monday?

What happened when the wheel was invented?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

What is the next number in this matchsticks series riddle?

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

What English word has three consecutive double letters?