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Belzabar Software Interview Puzzle #1 - Interview Marble Logic Puzzle

Difficulty Popularity

You are given a set of scales and 12 marbles. The scales are of the old balance variety. That is, a small dish hangs from each end of a rod that is balanced in the middle. The device enables you to conclude either that the contents of the dishes weigh the same or that the dish that falls lower has heavier contents than the other.
The 12 marbles appear to be identical. In fact, 11 of them are identical, and one is of a different weight. Your task is to identify the unusual marble and discard it. You are allowed to use the scales three times if you wish, but no more.

Note that the unusual marble may be heavier or lighter than the others. You are asked to both identify it and determine whether it is heavy or light.

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Belzabar Software Interview Puzzle #2 - Famous Egg Floor Riddle

Difficulty Popularity

* You are given 2 eggs.
* You have access to a 100-story building.
* Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor.Both eggs are identical.
* You need to figure out the highest floor of a 100-story building an egg can be dropped without breaking.
* Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

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Belzabar Software Interview Puzzle #3 - Cake Grandma bridge Logic Problem

Difficulty Popularity

Rohit is on his way to visit your Grandma, who lives at the end of the state.It's her birthday, and he want to give her the cakes that he has made.Between his place and her grandma house, he need to cross 7 toll bridges.
Before you can cross the toll bridge, you need to give them half of the cakes you are carrying, but as they are kind trolls, they each give you back a single cake.

How many cakes do rohit have to carry with him so he can reach his grandma home with exactly 2 cakes?

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Belzabar Software Interview Puzzle #4 - Karamchand Detective Mystery Cipher Riddle

Difficulty Popularity

Karamchand , A well known consulting detective is currently working on an international case where oil is illegally sold.

While inspecting he finds a note under a shelf : 710 57735 34 5508 51 7718

Currently there are 3 suspects: Rooney Bill and Owen.

He breaks the code and found the suspect. can you ?

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Belzabar Software Interview Puzzle #5 - Brain Teasing Statement

Difficulty Popularity

Britney tells truth only once a week. Below are a few hints for you:

First Hint: Days are Sunday, Monday and so on.
Second Hint: One day she says that she lies on Monday and Tuesday.
Third Hint: On the next day she says, 'Today is either Thursday, Saturday or Sunday'.
Fourth Hint: On the next day, she says that she lies on Wednesday and Friday.

Can you find out on which day does Britney speaks truth ?

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