What's the next in the series?

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

In the image given, you can find several triangles. Can you count them all?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Who are the happiest people in IPL match?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Can you count the number of squares in the figure below?

What is the word or phrase below?
R | E | A | D

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?

Can you place three balls such that the equation shown in the picture holds true?