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

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

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

Be active and find the killer in the picture Riddle below.

What is the riddle which can be asked all day with a different correct answer each time.

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

Find the hidden panda in the image below.

When it's bad luck to meet a black cat?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?