Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

You walk into an old horror house. It has no power or plumbing. Once inside, you see three doors. Each door has a number on it. Behind each door is a way for you to die. Behind door number one, you die by getting eaten by a lion. Behind door number two, you die by getting murdered. Behind door number three, you die by an electric chair. You can’t turn back, so you have to go through a door. Which door do you go through?

How many triangles can you count in the figure given?

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

Why do you find that most of the buildings are deprived of the 13th floor?

Different lights make me strange by changing me into different sizes. What am I?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Why is the Hole below a Lock?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

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