As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?

Can you name some countries which do not have the alphabet 'A' in them?

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?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

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

Why do you find that most of the buildings are deprived of the 13th floor?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Which five letter word can be added at the end of below word to form a
valid word?

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