I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

What number do you get when you multiply all of the numbers on a telephone's number pad?

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

People put me on the table and cut me but do not eat me. What am I?

Can you find the 09 errors in the picture below?

What does the below rebus puzzle mean?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

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