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

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

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

18 X 12 X 2 X 3 = 111

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

Remove two matchsticks to make the below equation correct.

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

If you paint a brown house white it will become a white house. If the stoplight changes from red to green, then the light is green. So, if you throw a white shirt into the Red Sea, what will it become?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?