what does the below math rebus puzzle mean?

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"

What can you see in the middle of March and April that you can never see in any other month?

What can jump higher than a building?

Decode below rebus
D
N
A
T
S , D

Find the missing number in the image below.

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

There are two beautiful yet remote islands in the South Pacific. The Islanders born on one island always tell the truth, and the Islanders from the other island always lie.
You are on one of the islands and meet three Islanders. You ask the first which island they are from in the most appropriate Polynesian tongue, and he indicates that the other two Islanders are from the same island. You ask the second Islander the same question, and he also indicates that the other two Islanders are from the same island.
Can you guess what the third Islander will answer to the same question?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.