What country can make you shiver?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

The King of a distant land had heard that Birbal was one of the wisest men in the East and so desired to meet Birbal. He sent Birbal an invitation to visit his country.

In due course, Birbal arrived in the distant kingdom. When he entered the palace he was flabbergasted to find not one but six kings seated there. All looked alike. All were dressed in kingly robes. Who was the real king?

The very next moment he got his answer. Confidently, he approached the king and bowed to him.

How did Birbal know who was the real king?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

What is always in front of you but can’t be seen?

What question can you never answer yes to?

What month of the year has 28 days?