If 1+9+8=1, what is 2+8+9?

I have branches, but no fruit, trunk or leaves. What am I?

I have branches, but no fruit, trunk or leaves. What am I?

A blonde put eyeliner on her head. Why?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

I can be cracked, made, told, and played. What am I?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?