I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

I am an odd number. Take away a letter and I become even. What number am I?

What goes through cities and fields, but never moves?

When can we add 2 to 11 and get 1 as the correct answer?

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

If you say my name, I will no longer exist. What am I?

What goes up but never comes down?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?