Using Only Five 5's and any mathematical operator make sum as 37

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

What has a ring but no finger?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

People put me on the table and cut me but do not eat me. What am I?

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

Can you replace the question mark with the correct number in the below table sequence?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

How many Watermelons are there in the below picture?