Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Take away the whole and some still remain. What is it?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

What can you serve, but never eat?

I shave every day, but my beard stays the same. What am I?

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?

Remove two matchsticks to make the below equation correct.

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?