Can you place six X (crosses) in below board without making three in a row in any way ?

How many words can a pen with half refill write?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

Open a Laptop which is password protected. Hint for the password is given as below:

1 mobile 3 books 2 Boards 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Find the missing number in the sequence below:

f you were running a race, and you passed the person in 2nd place, what place would you be in now?