What two things can you never eat for breakfast?

How many times can you subtract the number two from the number fifty?

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?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Whats the next number in the below number sequence pattern.

What is the next number in this series?

4,12,84,3612....

You need to arrange three 7 and mathematical symbols to form number 1?

what does this below rebus represent identXQQQQQME

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?