Keyboard words are not in alphabetical order, Why?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

A blonde put eyeliner on her head. Why?

Solve the puzzle by telling what does below picture means.

Replace the question mark with the number below given a simple math problem.

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

What has many teeth, but cannot bite?

I have branches, but no fruit, trunk or leaves. What am I?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?