Can you place six X (crosses) in below board without making three in a row in any way ?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

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?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Can you divide the below-given shape into four equal and identical pieces?

What Adam and Eve do not have but the rest of the people have?

Forwards I am heavy, backward I am not. What am I?

Which country gets ill every time?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?