What does this rebus means ?

PROG WORKRESS

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

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

I have Rs.50 and I spend it in the way as below.

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

A guy in his thirties is found dead in a forest. The shocking thing about the body is that he is wearing his swimming trunks snorkel and a facemask.

For your information, the nearest lake is some 10 miles away and the sea is hundreds of miles away.

How did he die then?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?