Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Solve the mathematical equation in the picture below.

Can you count the number of children in the picture below

What does this below rebus puzzle mean?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

A blonde put eyeliner on her head. Why?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?