If 21x = 79x, what is the value of x?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

The host of a game show, offers the guest a choice of three doors. Behind one is a expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

How many letters are in the alphabet?

Can you place three balls such that the equation shown in the picture holds true?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

I have feet, but no legs. Which animal Am I?