I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

You are an expert on paranormal activity and have been hired to locate a spirit haunting an old resort hotel. Strong signs indicate that the spirit lies behind one of four doors. The inscriptions on each door read as follows:

Door A: It's behind B or C
Door B: Its behind A or D
Door C: It's in here
Door D: It's not in here

Your psychic powers have told you three of the inscriptions are false, and one is true. Behind which door will you find the spirit?

How can you take 2 from 5 and leave 4?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

What have one eye but still cannot see?