I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?

What has a ring but no finger?

Can you start the fire using two pieces of wood?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

How many words can a pen with half refill write?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

Which tank will fill first?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

What does this below rebus puzzle mean?