Can you count the number of lines in the below picture?

Can you count the number of matches in the picture below ?

I am sometimes honest
Sometimes dishonest
I can be sweet and also bitter
I can hurt you real bad and
also make u smile and blush ☺️
What am I?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Before Mount Everest was discovered, what was the highest mountain in the world?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

What brings you down but never up?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?