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

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

How many Watermelons are there in the below picture?

The Little ant seems to be always confused. Do you know why?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

Move four matchsticks to the below square to form three squares?

Find the smallest sentence with all the English alphabet.