Which word does the below Plexor means ?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

A father's child, a mother's child, yet no one's son.

Who am I?

What does this rebus riddle means ?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

A man fell off a smuggling boat into deep water. He could not swim and he was not wearing anything to keep him afloat. It took 30 minutes for the people on the boat to realize someone was missing. The missing man was rescued two hours later on the return trip. Why didn't he drown? Note:- He didn't know swimming, the sea was deep, and He wasn't holding anything

There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?

Find the next number in the series below

21 32 54 87 131 ?