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

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Find the last number in the series below:

voN luJ yaM raM ---

What have one eye but still cannot see?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

What kind of band never plays music?

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

Find the value of "?" in the ball picture Riddle below:

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.