Solving the puzzles and brain teasers is a lot of fun. Solving brain teasers increases our logical thinking ability. Here are some brain teasers questions and answers to make you think. These brain teasers are for all age groups from kids to teens and adults can enjoy solving these brain teasers.

Answer to these Brainteasers is given at the end. These brain teasers are part of Fun Brain Teasers and Riddles.

1. A Sweet girl purchased a book from a bookkeeper and give him ₹1000. The cost of the book is ₹200 but the bookkeeper had got no change, so he gets the change from the next shop and returns the girl her 800 Rupees.

After some time the next shopkeeper comes with the ₹1000 note and told the bookkeeper that the note is a fraud, so he takes the money back.

How much loss did the bookkeeper face?

How many girls gained?

2. Can you find the odd number in the following?

1255, 4526, 9211, 3642, 7642, 1231, 7169

3. Suppose you are trapped in a room. The room has only two possible exits by two doors. Bypassing through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door, there is a fire-breathing dragon. How will you escape?

4. Outside a room, there are three light bulb switches. One switch is connected to a light bulb inside the room. Each of the three switches can be either "OFF" or 'ON'.

You are allowed to set each switch the way you want it and then enter the room. Please do note that you can enter the room only once.

Your task is to then determine which switch controls the bulb ??

1. Tough Interview Logical Questions With Answers: This contains some of the tough Logical Question which is often asked during the interviews of big companies like Facebook, Microsoft or Google. Try to see if you can clear the interview of such companies.

2. Out of Box Thinking Fun Brain Teasers with answers to Challenge your Mind: These are very interesting Fun Brain Teasers which will make you think out of Box.

3. 5 Challenging Brain Teasers For Adults With answers and Explanation: These are interesting Mathematical puzzles in which you have to deduct the pattern and then solve for the missing number.

4. What Comes Next In The Sequence Puzzles With Answers: These are very cool Sequence Puzzles in which one has to find which number will come next in the series.

Also, do check out similar Fun Brain Teasers as mentioned below

__List of Fun Brain Teasers and Puzzles__1. Tough Interview Logical Questions With Answers: This contains some of the tough Logical Question which is often asked during the interviews of big companies like Facebook, Microsoft or Google. Try to see if you can clear the interview of such companies.

2. Out of Box Thinking Fun Brain Teasers with answers to Challenge your Mind: These are very interesting Fun Brain Teasers which will make you think out of Box.

3. 5 Challenging Brain Teasers For Adults With answers and Explanation: These are interesting Mathematical puzzles in which you have to deduct the pattern and then solve for the missing number.

4. What Comes Next In The Sequence Puzzles With Answers: These are very cool Sequence Puzzles in which one has to find which number will come next in the series.

Answer to these brain teasers is given as below. To avoid any spoiler, I have hidden the answers to these brain teasers. Do select the area between the numbers to watch out the corresponding answer of a brain teaser.

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1. It is ₹1000 which bookkeeper lost and it is ₹1000 which the girl gained.

Let us understand it with net loss gain equation.

The next-door shopkeeper does not lose/gained anything. He gave ₹1000 initially and later got it back the same amount.

Now, how much worth girl gained. The girl took away book worth ₹200 and got change of ₹800. So in total, she gained ₹ 1000.

Now whatever girl gained is lost by shopkeeper i.e. ₹1000. Book worth ₹200 and ₹800.

2. 3642 is the odd one out. All other numbers' digits add to a prime number.

3. This is an easy one. You can escape through the room having Magnifying glass during the night.

4. Here you can use the property to the light bulb that if the bulb is kept "ON" for sometimes, it will become hot. Let us name the switches are A, B and C. So you can switch "ON" A switch and wait for some time. Then turn it "OFF" and switch "ON" B Switch. Now enter the room to observe the following

There will be one-off bulb but will be hot, it corresponds to Switch A.

There will be one of the bulbs which corresponds to Switch B.

Remaining off and normal temperature bulb corresponds to Switch C.

1. It is ₹1000 which bookkeeper lost and it is ₹1000 which the girl gained.

Let us understand it with net loss gain equation.

The next-door shopkeeper does not lose/gained anything. He gave ₹1000 initially and later got it back the same amount.

Now, how much worth girl gained. The girl took away book worth ₹200 and got change of ₹800. So in total, she gained ₹ 1000.

Now whatever girl gained is lost by shopkeeper i.e. ₹1000. Book worth ₹200 and ₹800.

2. 3642 is the odd one out. All other numbers' digits add to a prime number.

3. This is an easy one. You can escape through the room having Magnifying glass during the night.

4. Here you can use the property to the light bulb that if the bulb is kept "ON" for sometimes, it will become hot. Let us name the switches are A, B and C. So you can switch "ON" A switch and wait for some time. Then turn it "OFF" and switch "ON" B Switch. Now enter the room to observe the following

There will be one-off bulb but will be hot, it corresponds to Switch A.

There will be one of the bulbs which corresponds to Switch B.

Remaining off and normal temperature bulb corresponds to Switch C.

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Here is the answer to 13th Brain Teaser Question of post titled "Out of Box Thinking Fun Brain Teasers with answers to Challenge your Mind ". I have hidden this answer to avoid any spoiler. Do select the text below to read the answer.

-----------------Answer is Name

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