A man dies of old age on his 25 birthday. How is this possible?

What is wrong in the below Picture?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Next Number in the Series,

5, 16, 49, 104, ?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Count the squares in the matchstick puzzle below?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?