How is a fly different from a mosquito?

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?

A bomb exploded in a room full of married couples and no one died. How?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Can you identify the famous TV character from the rebus below?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

Find the missing letter in the last circle logically in the given below picture.

The more you take me, the more you leave me behind.
Who Am I?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Buy me, smell me or deliver me, I do not change.

Who am I?