What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

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?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

A man escapes from jail using help from his girlfriend. The investigators suspect four girls of being the man's girlfriend.

Out of those four girls, one is his girlfriend who is lying. Two of the girls are completely innocent and are speaking the truth. One of the girls is the man's sister who is helping the girlfriend lie. Following are the statements from all four of them:

Ariana: "Myrna is his girlfriend."
Jane: "Angelina is lying."
Angelina: "Ariana is lying."
Myrna: "Jane is not his sister."

Can you find out who is the man's sister among them?

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

I’m tall when I’m young, and I’m short when I’m old. What am I?

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

What is the word or phrase below?
R | E | A | D

You need to cut a round cake into eight equal pieces with just 3 cuts. Can you do it?