If eleven plus two equals one, what does nine plus five equal?

Can you find the 09 errors in the picture below?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

I cannot talk, but I always reply when spoken to. What am I?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

What demands an answer, but asks no questions

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

I taste better than I can smell. Who am I?

The pound is not a finish.

We are sharing a few instructions below, which you have to use in any suitable order to modify the above sentence such that the end sentence is a scientific fact.

- Eliminate a letter and supplement another in its place.
- Take away one word.
- Remove one letter from one word.
- Get rid of two letters from one word.
- Swap a word with its antonym.

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