Can you solve the photo plexer logic ?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

If Japan and Panama decided to merge into a single country, probably people will name it Japanama.

Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

My location can be determined by the below rebus.
So where am i ?

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

What country can make you shiver?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?