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

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

A California farmer owns a beautiful pear tree. He supplies the fruit to a nearby grocery store. The store owner calls the farmer to see how much fruit is available for him to buy. The farmer knows the main trunk has 24 branches. Each branch has exactly 12 boughs and each bough has exactly 6 twigs. Since each twig bears one piece of fruit, how many plums will the farmer be able to deliver?

What does this rebus means ?

What kind of storm is always in a rush?

Replace the question mark with the correct number below.

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.

In which direction should the missing arrow point?