I look at you, you look at me, I raise my right, you raise your left. What am I?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

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?

Can you tell a 3D object that has just two surfaces?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

What has 13 hearts but no other organs?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?