ENEMY = 2 * LINK
LINK + 2 = HELL

Then what will be TAXI + HELL? Select from the options below:
a) ROTTEN
b) DANGER
c) HEAVEN
4) MORTAL

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

A sundial has the fewest moving parts of any timepiece. Which has the most?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

What's the only room from which no one can enter or leave

Which five letter word can be added at the end of below word to form a
valid word?

> Pin
> Check
> Boiling
> View

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?