What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

What do you see in the given picture?

In the image given, you can find several triangles. Can you count them all?

What begins with T, ends with T, and has T in it?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

How can you tell a raw egg from a hard-boiled egg?

Find the hidden tiger in the given optical illusion ?

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

Akbar summoned Birbal out of anger.
He told him that he will have to face death.
He asked him to make a statement and if the statement is true he will be buried alive and if the statement is false, he will be thrown at lions.
After hearing Birbal’s statement, Akbar could do nothing but smile.
He gave him 5 gold bars and let him go.

What did Birbal say?