What is the next number in this matchsticks series riddle?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

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).

What is always in front of you but can’t be seen?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

What is the next number in this series?

4,12,84,3612....

Find the value of "?" in the ball picture Riddle below:

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

Can you solve below mathematical equation?

2^1234 - 2^1233

What Does this text mean:

important=important