What goes up but never comes down?

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?

What can you deduce from the following BrainBat?

CRY
LMKI

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

If 21x = 79x, what is the value of x?

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

At a bar, three friends, Mr Green, Mr Red and Mr Blue, were having a drink. One man was wearing a red suit; one a green suit; and the other a blue suit. 'Have you noticed,' said the man in the blue suit, 'that although our suits have colours corresponding to our names, not one of us is wearing a suit that matches our own names?' Mr Red looked at the other two and said, 'You're absolutely correct. What colour suit is each man wearing?