What number when divided in half becomes zero?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Can you make a fire with just a single stick?

Count the number of triangles in the given picture.

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

How can one talk without saying a single word?

Prove that twice of ten is the same as twice of eleven.