What happened when the wheel was invented?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

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

What has one letter and starts with an E?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.