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!!!

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Which city is three-fifths chick two third cat and 50% goat?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Spot what is wrong here in below Picture?

Can you solve below mathematical equation?

2^1234 - 2^1233

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?