What word does this rebus represent?

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You need to arrange three 7 and mathematical symbols to form number 1?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

What has one letter and starts with an E?

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

You see me once in June, twice in November, and not at all in May. What am I?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?