81 x 9 = 801. What must you do to make the this equation true?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

What do you see in the image below

Which Travels Faster? Solve below famous picture riddle:

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?