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

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

Can you count the number of matches in the picture below ?

Why is it very easy to weigh a fish?

What is so fragile that saying its name breaks it?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?