John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Find the missing number in the image below.

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

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

O T T F F S S ?

Vin Diesel is pulling a theft and has planned to run away with all the cash kept in the safe. But the only way to open the safe is the 13 character password. He has a set of five clues given to him by a trustworthy source.

Exactly two of the below statements are false.
The password is contained within this sentence.
The password is not in this hint.
The password is within only one of these statements.
At least one of the above statements is a lie.

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Can you identify the Oscar-winning movie from the rebus below?

I know a nine-letter word having only one vowel.
Do you ?

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

Do you know what I am?