Can you count the number of triangles in the given picture?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

What is the fastest way to double your money?

Take one out and scratch my head, I am now black but once was red. What am I?

You are a cab driver who pools passengers. You pick 3 people from a destination and drop 1 after an hour. 2 people climb aboard at the same time and you drop 3 at the next destination. After some time, you pick 2 passengers only to drop 1 after a short distance where 3 more passengers climb up the cab. You leave the rest of the passengers one by one to their destination and then come back home.

Can you tell the eye color of the cab driver?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?