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!!!

How many bananas can you eat if your stomach is empty?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

In the image given, you can find several triangles. Can you count them all?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

A candy is hiding in plain sight among the gift boxes in this picture. Can you spot it? Test your visual skills now!

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

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?