Why is Saturday stronger than Monday?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

What number divided by 4 is the same as that number minus 4?

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.

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

A man had five children. He had $100 with him to give to his children. He decided to start with the youngest child and then give $2 more than each younger child to his next elder child.

For example, if he gives $x to the youngest child, he will give $(x+2) to the next one, $[(x+2) + 2] to the next one and so on.

Can you find out how much did the youngest one receive?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?