Before Mount Everest was discovered, what was the highest mountain in the world?

Which Burger Is Different in below image?

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

What has to be broken before you can use it?

O_er_t_o_

Complete the missing letters of the given word.

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

During which month do people sleep the least?

What jumps when it walks and sits when it stands?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?