Can you count the number of squares in the given picture?

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?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

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

Can you decipher the below rebus?

PBLUESAISNUERSES

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Can you solve the rebus below?