What is common among 11, 69, and 88?

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"

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?