If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

How can a man go eight days without sleep?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

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

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

What can you see in the middle of March and April that you can never see in any other month?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

You can see three almost identical images below. Can you spot the odd one out from them?

Do you know who was buried in John's tomb?

I know a nine-letter word having only one vowel.
Do you ?