I’m tall when I’m young, and I’m short when I’m old. What am I?

How many triangles can you count in the figure given?

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 ?

why number 8549176320 is one of a kind?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

What month of the year has 28 days?

A father's child, a mother's child, yet no one's son.

Who am I?

Our product and our sum always give the same answer. Who are we?