What does the below rebus riddle means?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

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?

Find the missing number in the image below.

Why are all black people so quick ?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

I can write cow in 13 letters.

Can You?

Can it be possible to build a house that has all its four walls facing towards the South?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Three people check into a hotel. They pay $60 for the rent of the room. After they check-in, the manager realize that the rent for the room is $55. So, he gives $5 to the bellboy and asks him to give it to them. The bellboy thinks that it will be difficult for the three people to share $5 among them and seeking the personal benefit, he pockets $2 and gives the remaining $3 to them.

Now, each person paid $20 and got back $1. In this manner, each of them paid just $19 which totals to the amount of $57. The bellboy has $2 with him and adding them, we get $59. So where is the remaining $1?