What does this rebus riddle means ?

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?

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

How can you leave a room with two legs and return with six legs?

The centre of the third figure is empty. What digit should fit inside?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?