What four weights can be used to balance from 1 to 30 pounds?

Can you find out the remainder when 3^300 is divided by 5?

Do You See It?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

The Little ant seems to be always confused. Do you know why?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

Identify The phrase in the picture.

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!

What has many teeth, but cannot bite?