Where do you go to learn how to make ice cream?

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?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Can you divide the below-given shape into four equal and identical pieces?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?