Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Which is heavier: a ton of bricks or a ton of feathers?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

There are three boxes on a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies.

The first box says "The Gold is not here".

The Second box says "The Gold is not here".

The Third box says "The Gold is in the Second box".

Which box has the Gold?

I am sure no one can have two things for dinner. what are they?

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

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

What has one eye, but can’t see?

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?