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

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

What makes this number unique: 8,549,176,320?

Can you find a rabbit in the given picture?

In the four images below, can you find the odd one out?

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 find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Can you find out the missing number in the grid?

What two things can you never eat for breakfast?