What is the next number in this matchsticks series riddle?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

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

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

Complete the table series riddle by finding the number that can replace "??".