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!!!

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

The Judge knows that Alamgir was killed by his girlfriend Jasline, but the judge is unsure whether to punish her. Why?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Jenifer and Jesica are having a conversation.

Jenifer: I am definitely not over 30.
Jesica: I am 28 and you are surely 5 years older to me at least.
Jenifer: No, you are at least 29.

You are told that both of them are lying throughout in the conversation. Can you find their respective ages?

Replace the question mark in the picture below.

Different lights make me strange by changing me into different sizes. What am I?

Which country gets ill every time?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

How many triangles are there on the puzzle below?