What number do you get when you multiply all of the numbers on a telephone's number pad?

What do you call a fish without an eye?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

What does this rebus mean?

O
N
C
E
TIME

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

I have feet, but no legs. Which animal Am I?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?