You need to move three matchsticks to form three squares. Can you do it?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

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

What has 88 keys?

What happened when the wheel was invented?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

what does this below rebus represent identXQQQQQME

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Can you make four (4) nines (9) equal 100?