If eleven plus two equals one, what does nine plus five equal?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

Trying to tease Birbal, Akbar gave him one gold coin and ask him to buy
* something for him to eat
* something for him to drink.
* something to feed the cows
* something to plant in the garden
and most important you need to buy only one thing.

What must Birbal buy to silence Akbar?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

What goes up but never comes down?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

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?

What is 3/7 chicken, 2/3 cat and 2/4 goat?