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In detail

How many pages does the book have?

To number the pages of a book, a total of 2989 digits have been used. Knowing that the first page of the book is numbered 1, what is the number of the last page of the book? Solution Pages 1 to 9 have only one digit each, so we will need 9 digits in total to number them.
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Articles

The transport company

Due to the good progress of our transport company we have decided to buy eight more trucks for our fleet. The problem is that the trucks we currently have already occupy the entire available space of our garage so we will expand it by 25% to accommodate exactly our entire fleet.
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Stress management: in search of balance

“We usually think that stress is bad, but without it we would not be alive” Sonia Lupien. Content 1 Case example 2 New diagnostic techniques 3 Scientific beginnings in stress research 4 The counterpart of cortisol in research 5 Stress in our body 6 Four steps to balance stress 7 Another cutting-edge method against stress Example of a case Jorge appears on his first day of work and his boss assigns him the attention of users in his area, with a new computer program and with a technology that he does not know until now (New).
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Twin prime numbers

We know that there cannot be two consecutive prime numbers, except for the pair {2, 3}. This is obvious if we think that in any pair of consecutive numbers, one of them will be even. And the only even prime number is 2. Now we consider the following: are there two consecutive odd ones that are cousins? For example.
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“May8” technique to increase productivity

If you notice that with the passage of time each time it is harder for you to concentrate to be productive and that the hours barely cover you, that has a much easier explanation than you think. It is enough to know at the beginning how our brain and our energies work in order to improve our productivity.
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How menopause affects female sexuality

Menopause or climacteric is defined as permanent cessation for more than twelve months of menstruation due to the loss of hormonal activity (estrogen) in the ovary. Content 1 Menopause and sexuality 2 Types of sexual disorders in menopause 3 Treatment of sexual disorders associated with menopause.
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