What is the next number in this matchsticks series riddle?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

Who always enjoys poor health?

Can you make a six-letter word using the letters N, A and B ?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

If a wheel has 54 spokes, how many spaces are there between the spokes?

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

Can you place three balls such that the equation shown in the picture holds true?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

Can you identify if it's a murder or a suicide ?