What is the longest word in the dictionary?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

Solve the following series:
AZ, GT, MN, __, YB

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

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?

What has a ring but no finger?

Look at the picture and find out which square is not linked with any of the other squares.

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?

Through your logical capabilities, can you make 7 an even?