Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

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

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?