John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

what's the probability of getting a king or a queen from a pack of 52 cards?

Identify the 10 differences between the two given pictures.

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

What is the riddle which can be asked all day with a different correct answer each time.

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

What goes up but never comes down?