What happened when the wheel was invented?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

A spy was in Canada trying to steal insider information on how to set up new Maple Syrup factories in their country. He was introduced to the operations manager of the biggest factory in Canada. However, the manager was suspicious and decided to test him with a question before he trusted him. So he asked, “What would you be sure to find in the middle of Toronto?” The spy thought fast and came up with an answer for the manager. What was his answer?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

What kind of tree can you carry in your hand?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Count the Triangle in the figure given below:

In the image given, you can find several triangles. Can you count them all?