I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

How many letters are in the alphabet?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

I make two people out of one. What am I?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

Can you make four (4) nines (9) equal 100?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?