You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

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?

Can you find out the total number of triangles in the given figure?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

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

What occurs twice in a week, once in a year but never in a day?

Decode this picture on T-Shirt and tell what it says ?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

I cannot talk, but I always reply when spoken to. What am I?