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During morning walk, I saw a bench on the right side of the path, something like below image. As I walked further, I found another bench but on the left side of the path. Something like below image. I found that these benches were placed at some regular intervals. There were few places on the path with benches on left side and right side both. I found this quite interesting and useful. Persons walking on the path get place to sit and relax at some intervals with views of right side or left side. Whereas, there are places where people can sit in front of each other and relax. I decided to get some idea about the distance between two consecutive benches on either sides of the path. I counted the number of steps required to move from one bench to other and got estimates of intervals between two consecutive benches. Left side benches were placed at interval of 200 meters whereas right side benches were 140 meters apart. There can be several interesting questions in this scenario. You hav

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My fitness app gives me monthly challenge related to exercise each month. In June, the challenge was to complete 3600 minutes of exercise in the month. This averages to 120 minutes/ day as there are 30 days in the month of June. That means, If I do 120 minutes exercise each day of the June month, I total 3600 minutes which is equal to the challenge minutes. Average does this only. If average monthly expense in first 8 months of this year in your family is ₹25000, that means the total expense is ₹25000*8 = ₹200000. It is not necessary that the monthly expense is ₹25000 each month to keep the average same. Expenses may be high in some months and may be low too in some months. If the total expense in 8 months is ₹200000, then the average monthly expense is same ₹25000. Coming back to the exercise challenge. Doing 120 minutes of exercise each day was good enough for the June challenge. But, it's quite uncomfortable to keep doing that each day for 30 days. So, I divided the target of

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I purchased 7 mangoes from a nearby fruit seller yesterday as there were that many persons in my home. There are plenty of fruit sellers around, so there is no reason of purchasing more and storing. The fruit seller was a lady in her seventies and probably had no formal education. She sold those mangoes at ₹140/kg. She weighed the mangoes selected by me. It was 1 kg 750 gm. She asked me to pay ₹245 while transferring the mangoes into my bag. I was surprised as the time taken by her to do this calculation was practically nothing and she didn’t use calculator or pen-paper. I took more time than her to do this calculation manually and found the amount to be right. I thought, she might have got another customer earlier purchasing same quantity of mangoes, so she might just remember the amount! But, it was not so. I was curious to know her process of doing the calculation. She said; 14*7 = 98 for 700 gm, +₹7 for 50 gm = ₹105 for 750 gm. Add 140 for 1 kg. So, 140+105=₹245. W

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Have you noticed that most students know how to get better marks than what they have been getting but they don’t seem to be improving on that? Similarly most of the sales people know how to sell more than what they are selling at present. What holds them? There are many people who are constantly in debt. They know how to come out of that but they don’t. Why? Most people know how to do the job better than what they are doing. But they are not able to do so. Their actions and what they know do not go together. The reason is that they haven’t applied their knowledge to form good habits. They know, but they don’t have the habit to work as per that. Bad habits are holding them. In truth, the only difference between those who have failed and those who have succeeded lies in the difference of their habits. Good habits are the key to all success. Bad habits are the unlocked door to failure. Thus, the first law I will obey, which precedes all others, is--"I will form good habits and bec

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This post discusses about temperament control issues during preparation for IIT entrance but it holds true at earlier level as well. So, consider this as something related to habit which affects different aspects of life. The single reason that contributes most in failure to qualify for IIT for good students is poor temperament management. Some of the situations described here may look familiar to you. You make too many unintentional errors. You are suggested to be careful. You prepare hard but forget important points at crucial moments. You know things well but are too slow in applying them; perhaps you are not sure whether you are applying right or not. You get hold on the issue and suddenly lose concentration. Mind becomes either blank or starts wandering. Sometimes you feel confident—JEE is well within your reach. Sometimes you feel just the opposite. Everyone else seems to have prepared better than you. You keep changing your strategy with every suggestion you receive

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Suppose you have already been taught the theory on certain topic or you have studied that from some sources. Now you are practicing to solve some problems. Imagine two scenarios. In the first one, you are taught a method to solve problems and few problems are practiced. You learn a method. Another method is taught to solve another type of problem and thus you learn another method. This way you solve many problems, and you also learn many methods of solving them. Now, if a question is given to you, you may try identifying a suitable method from all the methods that you have learnt to solve such questions and then apply that method to solve that. This is quite a common way of doing bad in Mathematics as one can select an unsuitable method to solve a question. In the second scenario, you get a problem and you yourself try to solve this. If you are able to solve this in one or two attempts, you learn something. But if you are not able to solve this so easily and keep trying that your

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