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

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

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

Count the number of lines in the image below ?

Which number comes next in the number series?

2, 9, 30, 93, ?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

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?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

What can you catch but never throw?