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Q:

In the below puzzle, a word starts and ends with the same letter. Can you figure out what the word is?

_otato_

Answer

rotator

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Subject: Word Puzzles

Q:

In the below puzzle, a word starts and ends with the same letter. Can you figure out what the word is?

_rus_

Answer

trust

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Subject: Word Puzzles

Q:

In the below puzzle, there are 2 double blanks. Fill in the blanks with the same pair of letters to complete an English word. For example, use the letter-pair ac in b__kp__k to make the word backpack

_ _ s _ _ de

Answer

cascade

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Subject: Word Puzzles

Q:

In the below puzzle, there are 2 double blanks. Fill in the blanks with the same pair of letters to complete an English word. For example, use the letter-pair ac in b__kp__k to make the word backpack

v _ _ lat _ _ n

Answer

violation

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Subject: Word Puzzles

Q:

Logical puzzle

At a restaurant, how could you choose one out of three desserts with equal probability with the help of a coin? What if the coin is biased and the bias is unknown?

Answer

Our solution:


Toss the coin twice.
Let TH, HT and TT correspond to the three choices.
And if you get HH, just repeat (so it takes 8/3 tosses on average).


BIASED COIN

If the coin was biased, TH and HT would occur with equal probability.
So you could assign THHT, HTTH and THTH to the three choices, with other 4-toss outcomes rejected.
Or you could assign HTT, THT and TTH to the three choices, with other 3-toss outcomes rejected.

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Subject: Logic Puzzles

Q:

Logical puzzle

 A boy and a girl are talking.
"I am a boy" - said the child with black hair.
"I am a girl"  - said the child with white hair.

At least one of them lied. Who is the boy and who is the girl?

Answer

Our Solution:


They both lied.
The child with the black hair is the girl, and the child with the white hair is the boy.
(If only one lied they would both be boys or both be girls)

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Subject: Logic Puzzles

Q:

Logical puzzle

Dr.Will wants to operate for three different persons who were wounded. But he had only two surgical gloves. There is not any blood contact between the three persons. How can Dr.Will operate for the three people with two pair of surgical gloves?

Answer

First, Dr.Will wear both of the gloves, one above the other. He operate the first person. After finishing he remove the outer pair of gloves as inside out and place it in a tray. Then operate the second person. Now he will wear the first gloves as inside out above the second gloves. Operate the third person. At last he remove the gloves and dispose them.

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Subject: Logic Puzzles

Q:

Solve the following puzzle

You are going to visit your grandmother on Mother's day. You want to give her two cakes. However, to get to her house you must cross seven bridges. At each bridge is a troll who demands ½ of all of your cakes as the price to pass. However, this troll, being a nice troll, feels bad and gives you back 1 of the cakes that he took.

         The puzzle to solve: How many cakes must you leave with to be able to give your grandmother 2 cakes

Answer

Do the math and you will see that this puzzle is based on the fact taht (2)=1 and 1+1=2

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Subject: Math Puzzles