Look at the picture and find out which square is not linked with any of the other squares.

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

You bought me for dinner but never eat me. What am I?

Keyboard words are not in alphabetical order, Why?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

There are 100 bulbs in a room. 100 strangers have been accumulated in the adjacent room. The first one goes and lights up every bulb. The second one goes and switches off all the even-numbered bulbs - second, fourth, sixth... and so on. The third one goes and reverses the current position of every third bulb (third, sixth, ninth? and so on.) i.e. if the bulb is lit, he switches it off and if the bulb is off, he switches it on. All the 100 strangers progress similarly.

After the last person has done what he wanted, which bulbs will be lit and which ones will be switched off?

Why is the Hole below a Lock?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?