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!!!

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

what one word does the below rebus identifies?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

By what process could you make a 'Tea-Table' into food?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?