Find the number of squares in the below picture

What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

Can you divide the below-given shape into four equal and identical pieces?

During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?

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

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?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

I travel all around the world but always stay in the corner. What am I?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?