Can you name some countries which do not have the alphabet 'A' in them?

When we see 2 but call 10?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

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