What is the next number in this series?

4,12,84,3612....

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

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Why 1729 is a magic number? Answer Logically.

Count the number of triangles in the below picture?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

To tease, King Akbar told his most clever advisor Birbal to give his daughter one thing that she can eat when hungry, drink if she feels thirsty and can burn if she feels cold. King Akbar was shocked when Birbal gave Akbar's daughter one such thing that satisfies all of the above.

What did Birbal give to Akbar's daughter?

Why Wine Glass Stem is so long?

What jumps when it walks and sits when it stands?