I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Can you count the number of triangles in the picture below?

If an electric train is travelling south, then which way is the smoke going?

What breaks yet never falls, and what falls yet never breaks?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

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.