Twelve balls are identical in all ways except one has a different weight. Three weighings on a balance scale will not only identify the odd ball, but also tell whether it is heavier or lighter. How many balls must be put on each side of the scale in the first weighing, the second weighing, and the third weighing?
Riddle AnswerInterview Riddles
8 Monkeys
Suppose 8 monkeys take 8 minutes to eat 8 bananas. How many minutes would it take 3 monkeys to eat 3 bananas? How many monkeys would it take to eat 48 bananas in 48 minutes?
Riddle Answer4 Criminals
4 criminals are caught and are to be punished. The judge allows them to be freed if they can solve a puzzle. If they do not, they will be hung. They agreed.
The 4 criminals are lined up on some steps (shown in picture). They are all facing in the same direction. A wall separates the fourth man from the other three.
So to summarise :
Man 1 can see Man 2 and Man 3.
Man 2 can see Man 3.
Man 3 can see none of the others.
Man 4 can see none of the others.
The criminals are wearing hats. They are told that there are two white hats and two black hats. The men initially don’t know what colour hat they are wearing. They are told to shout out the colour of the hat that they are wearing as soon as they know for certain what colour it is.
They are not allowed to turn round or move. They are not allowed to talk to each other. They are not allowed to take their hats off.
Who is the first person to shout out and why?
Riddle AnswerBusy Lawyer
Today is Saturday. A person wants to meet a lawyer and as that lawyer is busy he asks him to come three days after the before day of the day after tomorrow. On which day the lawyer asks the person to come?
Riddle AnswerTwo Candles
You are given two candles of equal size, which can burn 1 hour each. You have to measure 90 minutes with these candles.
There is no scale or clock. You are also given a lighter. How do you do it?
Riddle Answer