Which wheel of car does not rotate when you turn your car right?

Forwards I am heavy, backward I am not. What am I?

Find the smallest sentence with all the English alphabet.

Which flower has two lips?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

Which country gets ill every time?

Who can jump higher than a Mountain?

What has no start, end, or centre?

What 5-letter word typed in all capital letters can be read the same upside down?