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

Before Mount Everest was discovered, what was the highest mountain in the world?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

What number replaces the question mark

One night, Louis and Adam were sitting together. Adam was watching a movie while his wife Louis was reading a mystery book. Suddenly the power went out and Adam decided to go to bed, but strangely Louis kept on reading. There was no artificial light around, so Louis kept on reading. How come?

What is both possible and impossible at the same time?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?