What is the word or phrase below?
R | E | A | D

Name a key which is hardest to turn.

Which is faster, Heat or Cold ? Explain.

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.

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Why Aeroplane windows are round?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?