I’m tall when I’m young, and I’m short when I’m old. What am I?

Rearrange the letters in "new door" to make one word.

There is a basket full of hats. Three are white and two are black. Three men, Tom, Tim, and Jim, each take a hat out of the basket and put it on their heads without seeing the hat they selected or the hats the other men selected. The men arrange themselves so Tom can see Tim and Jim’s hats, Tim can see Jim’s hat, and Jim can’t see anyone’s hat. Tom is asked what color his hat is and he says he doesn’t know. Tim is asked the same question, and he also doesn’t know. Finally, Jim is asked the question, and he does know. What colour is his hat?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Complete the table series riddle by finding the number that can replace "??".

Can you find the company name in the pictogram below?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

I have branches, but no fruit, trunk or leaves. What am I?

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