What does this rebus puzzle means ?

Can you find out the total number of triangles in the given figure?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

It was a dark stormy night and a couple were in a car driving madly to a city. The car broke down and the husband had to go get help from someone who spoke his language. He was afraid to leave his wife alone in the car so he locked the car before leaving. When he came back, the car was in the same state as he had left it but his wife was dead, there was blood on the floor and there was a stranger in the car. What happened?

Prove that the below maths equation is true.

8 + 8 = 91

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

I shave every day, but my beard stays the same. What am I?

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?