During which month do people sleep the least?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

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

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

Replace the question mark with the correct number below.

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

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?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?