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

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

I am an odd number. Take away a letter and I become even. What number am I?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

Find the hidden panda in the image below.

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

What is black when you buy it, red when you use it, and gray when you throw it away?

Find the next number in the sequence

1, 2, 6, 21, 88, __?