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

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 ?

Name a key which is hardest to turn.

In a certain bank, a man deposits a certain amount. According to the bank policies, the amount will be doubled up in a year but as the service charge, they will also deduct Rs. 65 by the end of every year.

If after the 6th year, the amount becomes 0, what do you think is the original amount he deposited in the bank?

If your uncle’s sister is not your aunt, what relation is she to you?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

A father's child, a mother's child, yet no one's son.

Who am I?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

Out of the nine cats that you can see in the picture, there are only two that are completely identical. Can you find them out?