Can you replace the question mark with the correct number?

What goes up but never comes down?

How many triangles are there on the puzzle below?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

Can you solve this picture maths equation?

Why is the longest human nose just 11 inches?

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

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

A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

Make a sentence consisting of three words that have the whole alphabet.