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

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

Which Travels Faster? Solve below famous picture riddle:

A man dies of old age on his 25 birthday. How is this possible?

What breaks yet never falls, and what falls yet never breaks?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

What famous saying does this rebus mean?

COME SERVED <---
COME SERVED
COME SERVED
COME SERVED
COME SERVED

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 jumps when it walks and sits when it stands?

How can a man go eight days without sleep?