What goes up but never comes down?

Can you find out the number that should replace the question mark with a valid reason?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

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

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

What is the coolest letter in the alphabet?

How many words can a pen with half refill write?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

During a secret mission, an agent gave the following code to the higher authorities
AIM DUE OAT TIE MOD

However, the information is in one word only and the rest are fake. To assist the authorities in understanding better, he also sent them a clue, If I tell you any one character of the code, you can easily find out the number of vowels in the codeword.

Can you find out the code word?