Replace the question mark with the correct number in the below-given picture?

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

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Imagine you are in a room with no windows or doors. How will you get out?

1 dollar = 100 cent
= 10 cent x 10 cent
= 1/10 dollar x 1/10 dollar
= 1/100 dollar
= 1 cent

=> 1 dollar = 1 cent

solve this tricky problem?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

What can go through glass without breaking it?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?