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Arista Networks Interview Puzzle #1 - Conditional Probability Riddle For Interview

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There are four friends – Adam, Bella, Christopher and Drew. All of them are asked to choose any number in their mind. Now what is the probability that every one of them has the same number in mind?

PS: The chosen number must be in between 1 to 5.

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Arista Networks Interview Puzzle #2 - Logic Coins Puzzle

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Assuming i have an infinite supply of coins.

What is the fewest number of coins would be required in order to make sure each and every coin touched exactly three other coins.

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Arista Networks Interview Puzzle #3 - Identify Me Science Problem For Kids

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Identify Me

I am a god

I am a planet

I am a measure of heat.

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Arista Networks Interview Puzzle #4 - Cake Grandma bridge Logic Problem

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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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Arista Networks Interview Puzzle #5 - Logic Math Problem

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David and Albert are playing a game. There are digits from 1 to 9. The catch is that each one of them has to cut one digit and add it to his respective sum. The one who is able to obtain a sum of exact 15 will win the game?

You are a friend of David. Do you suggest him to play first or second?

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