If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

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 ?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

If 1+9+8=1, what is 2+8+9?

How many sides does a circle have?

Decode the movie name from the below picture?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

Which English verb becomes past tense just by rearranging the letters?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?