# Permutation Puzzle

The Latest and exclusive collection of Permutation Puzzle to tease your brain. Permutation Puzzle helps exercising the brain and develop it to think logical and solve real world problems differenlty. PuzzleFry brings you the best Permutation Puzzle, you'll enjoy wide range of Permutation Puzzle, Lets try few Permutation Puzzle listed below -
• Create a four digit number in which the first digit is one fourth of the last digit, Second digit is 6 times of the first digit, and the third digit is addition of the second digit and 3.

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• There are 5 people, who can build 5 houses in just 5 days.
How long would it take 100 people to build 100 houses?

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• A runner timed himself and found out that if he wore a white outfit he ran 10 miles in 70 minutes, but when he wore a black outfit, he ran 10 miles in one hour and ten minutes. What does this mean for his next race?

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• In three years John will be twice as old as he was ten years ago. What is his present age in year ?

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• N persons are standing in a circle labelled from 1 to N in clockwise order. Every one of them is holding a gun and can shoot a person on his left. Starting from person 1, they starts shooting in order e.g for N=50, person 1 shoots person 2, then person 3 shoots person 4, then person 5 shoots person 6……..then person 49 shoots person 50, then person 1 shoots person 3, then person 5 shoots person 7……and it continues till all are dead except one. What is the index of that last person?

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• There is a bus with 50 labelled seats from 1 to 50. There are also 50 persons labelled from 1 to 50 standing in a queue.
People board on the bus in sequence from 1 to n. The rule is, if a person ‘i’ boards the bus, he checks if seat ‘i’ is empty. If it is empty, he sits there, else he randomly picks an empty seat and sits there. Given that 1st person picks seat randomly, find the probability that 50th person sits on his place i.e. 50th seat.

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• There are two sand timers which can show 7 minutes and 4 minutes respectively. Measure time of 9 minutes using both.

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• There are 100 coins placed on a table in a dark room, out of which 20 coins are showing tails and 80 coins are showing heads. The task is to divide this set of 100 coins into 2 groups (not necessarily same size) such that both groups have the same number of coins showing the tails.

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• There are 10 bags full of coins out of which one bag is full of fake coins which we don’t know. But you do know that genuine coins weigh 01 gram, but fake weighs 1.1 grams. We have to identify that bag in minimum readings a digital weighing machine.

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• What word of five letters has only one left when two letters are removed?

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