What does does this rebus picture means ?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?

What do you see in the image below

How is a fly different from a mosquito?

Replace the question mark with the correct number in the below-given picture?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?