What goes through cities and fields, but never moves?

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?

Find the next number in the series.
1 10 24 43 67 ?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

Next Number in the Series,

5, 16, 49, 104, ?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

What demands an answer, but asks no questions