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Try to Cope with 6 Tasks That Require You to Use All Your Logic and Intelligence
#1
We all like solving different riddles — very simple ones about scissors and light bulbs, and difficult ones that make us think hard for a long time. Such riddles exercise the brain and help us keep it in shape even in old age.

1. Fake coins riddle

[Image: 18406510-37576810-3-0-1512957740-1512957...536385.jpg]

You have three golden coins, one of which is fake, and one scale. The fake coin weighs less than the other two. How do you determine which coin is fake?

2. Challenge for a chef

[Image: 18406560-37002610-11-0-1512730655-151273...536385.jpg]

In order to win in the culinary competition, the chef needs to cook 6 stakes in 15 minutes using only one frying pan. He can only put 4 stakes on the pan at a time. How can the chef do it?







3. Worker’s salary

[Image: 18406610-37224110-2-0-1512782042-1512782...536385.jpg]

A farmer hired a worker to build a water well. He promised to pay him with gold every day. The worker said that it would take him 7 days and he would start on Monday.
The farmer had a gold bar and he planned to saw 1/7 of the bar every day. However, when he looked at the tool he wanted to use for sawing, he realized that he could only make two cuts. What should he do to not break the deal?


4. Chickens and eggs

[Image: 18406660-37716860-5-0-1512981338-1512981...536385.jpg]

An old lady had 3 chickens that made 3 eggs in 3 days. One day she wanted to get more eggs, so she bought 12 more chickens. How many eggs will the old lady have in 15 days?







5. Knights and princess

[Image: 18406710-37596910-4-0-1512970375-1512970...536385.jpg]

Once upon a time, a king wanted to find a husband for his daughter and he arranged a knight tournament. The candidates had to endure a lot of challenges, and at the end, there were only two men left. In order to decide who would marry his daughter, the king ordered the knights to ride their horses to the lake. The one who came last would get the princess.
The knights mounted their horses and rode to the lake very slowly. It took them a week as neither of them wanted to be the first. Finally, they got off the horses, shook each other’s hands and decided to go home. But then the princess came to them and whispered something in their ears. The knights jumped on their horses and rushed to the lake. What did the princess say?


6. 3 Doors

[Image: 18406760-37830560-6-0-1512991888-1512991...536385.jpg]











A boy was walking in the forest and found an abandoned cabin. He decided to enter it. After he got in, the door closed behind him. The place was very dark. The boy found a light switch, but there was no electricity. And then, he heard a voice that told him he could get out of the cabin through one of the three doors.
  • Behind the first door, there were thousands of poisonous snakes that could kill instantly.
  • Behind the second door, there was an electric chair and an executioner who would kill the boy immediately.
  • Behind the third door, there was a lion that hadn’t eaten for many days.
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How does the boy get out?[/size]


Answers

[Image: 18406810-7785515-43da933fa47977883800f55...536385.jpg]

1. You need to put any two coins on the scale. If both of them have the same weight, then the third one is fake.







2. Put 4 stakes on the pan and fry them for 5 minutes. After that, flip two of them, and substitute the other two with 2 fresh ones and fry them for 5 minutes. After 5 minutes, flip two stakes, and substitute the ready stakes with two stakes that are half-ready and fry them for 5 minutes.

3. The farmer needs to saw the bar in three parts: 1/7, 2/7, and 4/7 — only two cuts are needed and this is how the farmer had to pay:
Monday: pay 1/7 of the bar.
Tuesday: pay 2/7 of the bar and take away 1/7.
Wednesday: give 1/7 to the worker again.
Thursday: give 4/7 of the bar and take 1/7 and 2/7.
Friday: give the 1/7 of the bar again.
Saturday: give the 2/7 of the bar and take the 1/7.
Sunday: give the worker the 1/7 of the bar.


4. If you said 15, you made a mistake. If three chickens made 3 eggs in 3 days, it means that 1 chicken makes 1 egg every three days. It means that in 15 days, it will make 5 eggs. So, 15 chickens will make 75 eggs.

5. The princess told the knights to exchange their horses.
6. The boy should take the door with the electric chair — there is no electricity in the cabin, so the executioner won’t be able to do anything.
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#2
1. oh well i felt like putting one coin on one scale and putting the other two on the other scale, can try switching and see which one 

Means agar sub se less weight ka 100
and real weight ka 150
to aik me do rakho and aik me aik 
for example 

2 sahi  compare to 1 fake
300 compare to 100
knowing k that one is fake.

yaan 1 good one not compare to 
250 compere to 150

uhh need to switch over n over, i guess best answer is what the real answer is.. good one
but the answer is ... take one and compere to other.. oh that was easier to do.

Chalo isey kehte ha try to make it simple and quick.
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#3
2.  yaan to teen teen le ke banao.. yaan to 4 dalo and just see which one is ready and replace it with new one. this is what can do i guess. 


answer is.. 

Quote:2. Put 4 stakes on the pan and fry them for 5 minutes. After that, flip two of them, and substitute the other two with 2 fresh ones and fry them for 5 minutes. After 5 minutes, flip two stakes, and substitute the ready stakes with two stakes that are half-ready and fry them for 5 minutes.

5 mins ka socha nahi but somewhere close my answer was.
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#4
3 is tough.. 
lets see what answer is

3. The farmer needs to saw the bar in three parts: 1/7, 2/7, and 4/7 — only two cuts are needed and this is how the farmer had to pay:
Monday: pay 1/7 of the bar.
Tuesday: pay 2/7 of the bar and take away 1/7.
Wednesday: give 1/7 to the worker again.
Thursday: give 4/7 of the bar and take 1/7 and 2/7.
Friday: give the 1/7 of the bar again.
Saturday: give the 2/7 of the bar and take the 1/7.
Sunday: give the worker the 1/7 of the bar.

TOUGH TOUGH
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#5
4. 3 EGGS in 3 days.. per chicken 1 egg per day so 15*15=75
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