vishal's Profile
Scholar
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4

vishal loves solving puzzles at PuzzleFry.com. I am proud PuzzleFry member and like my time invested in solving brain teasers.
• There are 10 black socks and 10 white socks in a drawer.
Now you have to go out wearing your shoes.
So how many maximum number of times you need to remove the sock from drawer so that you can go out?
You can remove only 1 sock at a time.
Obviously, you can’t go outside wearing different socks!

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• There is a drum full of milk, people come for buying milk in the range of 1-40 litres. You can have only 4 cans to draw milk out of drum. tell me what should be the measurement of these four cans so that you can measure any amount of milk in the range of 1-40 litres.

Note: We can use one container only once.

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• There are two tribes in Mars, Lie tribe and Truth Tribe.

Lie tribe always speaks lie, True tribe always speaks truth.

You meet three mars people and ask

From First Person: What tribe you belong to?, he replies something in his language which you don’t understand.

Second person tells that he is saying that he belongs to Lie Tribe.

Third person says that second person is lying.

What tribe does the third person belong to?

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• On a circle there are 2014 light bulbs, 2 are ON, and 2012 are OFF. You can choose any bulb and change the neighbor’s state from ON to OFF or from OFF to ON. Doing so, can we get all 2014 light bulbs on ? If yes, How?

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• There is a one person who have two numbers, he tells sum to the person S and product of those numbers to P.

Now there is this conversion between S and P.

S: I don’t know what are the numbers.

P: I also don’t know what are the numbers.

S: Now i know what are the numbers.

P: Now i also know what are the numbers.

Assuming S and P to be very wise and good in mathematics, What are those two numbers?
Note: Numbers are greater than 0.

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• A Bear has fallen from a height of 10m from ground. It reached ground in sqrt(2) seconds. Luckily it didn’t get hurt.

What is the color of that Bear? Prove it scientifically.

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• ## 100 people standing in a circle in an order 1 to 100. No.1 has a sword. He kills next person (i.e. no. 2) and gives sword to next to next (i.e no.3). All person does the same until only 1 survives. Which number survives at the last?

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• There are (n+1) people in a party, they might or might not know each others names.

There is one celebrity in the group(total n +1 people), celebrity does not know any of n peoples by name and all n people know celebrity by name.

You are given the list of people’s names(n+1), You can ask only one question from the people. Do you know this name ?

How many maximum number of questions you need to ask to know the celebrity name?

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