Can you count the number of lines in the below picture?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

In order to complete the racing competition, the Mexico racetrack has to submit its top and the most famous three horses to win the competition. Due to an electrical storm, all the records are cleared and no one knows which horse holds the record. They all look identical and it becomes even more difficult to differentiate the horses. There are 25 horses in the Mexico racetrack. But there can be only five horses at a time on the track. What will the least number of races that can be conducted to find out the three fastest horses?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

Which number should replace the question mark?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Find the missing number in the image below.

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?