An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

What runs around the whole yard without moving?

Replace the question mark with the correct number.

Why is the Hole below a Lock?

If two's company, and three's a crowd, then whats four and five ?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

What does below rebus means ?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

What is the next number?

77, 49, 36, 18 ?

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?