What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

Can you fill the blank with the correct number?

6 30 870 756030 _____

Can you move two match sticks to make it 430?

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

Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

What occurs twice in a week, once in a year but never in a day?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

How many sides does a circle have?