What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

What jumps when it walks and sits when it stands?

James Bond is caught up in a mysterious scenario where the evil villain has him blindfolded. He somehow breaks through the handcuffs but is unable to get the blindfold off. Upon searching, he comes across a bow and 3 arrows. He can hear the villain speak, and thus tries to take a shot at him. He launches the first arrow, it misses the villain. He then launches the second arrow and it misses by a greater margin.

What is the probability that this third shot our James bond takes will be worse than the second shot?

Can you arrange the six given marbles in a manner that each one of them is touching all four marbles of different colours?

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

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

Can it be possible to build a house that has all its four walls facing towards the South?