What is always in front of you but can’t be seen?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

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

Why is the Hole below a Lock?

In the image given, you can find several triangles. Can you count them all?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?