Which tank will fill first?

In a town, there are over 100 flats.
Flat-1 is named first flat.
Flat-2 is named second flat.
Flat-3 is named third flat.

A visitors 'Victor' decides to walk through all the flats, he finds all the flats except flat-62.
Victor later founds that the local of the town have given it another name.

What is the name of the Flat?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

What has one letter and starts with an E?

What brings you down but never up?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

What's the best place to go shopping in the ocean?

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