What's the best place to go shopping in the ocean?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

How many letters are in the alphabet?

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

What Does this text mean:

important=important

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?