There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

I am quite hot but become too cold if you remove the first two letters. What am I?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

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

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

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

I have eight fingers and two thumbs but I do not live. What Am I?

How can you drop a raw egg from a height onto a concrete floor without cracking it?