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

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

What work can one never finish?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

Can you count the number of squares in the given picture?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?