Solve below rebus puzzle?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

What can you hold in your right hand, but never in your left hand?

You are on your way to visit your Friend, who lives at the end of the hill. It is his birthday, and you want to give him the cakes you have made. Between your house and his house, you have to cross 5 bridges, and as it goes in the land of make believe, there is a troll under every bridge! Each troll, quite rightly, insists that you pay a troll toll. Before you can cross their bridge, you have to give them half of the cakes you are carrying, but as they are kind trolls, they each give you back a single cake. How many cakes do you have to leave home to make sure that you arrive at a friend's house with exactly two

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

What begins with T, ends with T, and has T in it?

How many triangles can you find in this given picture?

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

What has no start, end, or centre?