What is the next number in this series?

4,12,84,3612....

A charming young lady was approached by a kind looking old woman in a restaurant. The old woman said to her, 'You look exactly like my younger daughter. Sadly she passed away a couple of months back. Could you do me a favor and say 'Goodbye, mother' with a kind smile on your face when I leave?

The young lady agreed for the same and said, 'Goodbye, mother' when the old woman left. Soon after, she got the most disengaging shock of her life.

Can you guess what the shock was?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

How many times can you subtract the number 5 from 25?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

You can see three almost identical images below. Can you spot the odd one out from them?

Solve below rebus puzzle?

Move four matchsticks to the below square to form three squares?

What is so fragile that saying its name breaks it?