If two's company, and three's a crowd, then whats four and five ?

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 ?

what does the below math rebus puzzle mean?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

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

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

When it's bad luck to meet a black cat?