# Mathematics

Risk of poor grade of**mathematics**in the certificate?

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**sense of joy**of understanding and calculating examples?

Want to hone and practice in thinking, finding solutions?

**Math regard as bearer common sense**without which it is difficult to achieve a personal or career achievements. Whether as a manager, programmer, a judge, a mason or electrician you'll make decisions every day, the quality of which will depend on your wisdom. The wiser and better decisions in life you do, the more income and vice versa. That will help also our portal with examples from mathematics. If you are looking for materials for mathematics, to prepare for entrance exams, final exams, monitor, you are also good here. In addition to the examples we offer online mathematical calculators.

- Boys and girls

There are 28 girls in the hall. 5/7 of all children are boys. How many children and how many boys are there? - Average age

The average age of all people at the celebration was equal to the number of people present. After the departure of one person who was 29 years old, average age was again equal to the number present. How many people were originally to celebrate? - Groups

In the 6th class there are 60 girls and 72 boys. We want to divide them into groups so that the number of girls and boys is the same. How many groups can you create? How many girls will be in the group? - Rate or interest

At what rate percent will Rs.2000 amount to Rs.2315.25 in 3 years at compound interest? - Walkers

Walker, which makes 120 steps per minute, make distance from point A to point B for 55 minutes. The length of his step is 75cm. For how long does this distance go boy who will do 110 steps 60 cm long in a minute? - Functions f,g

Find g(1) if g(x) = 3x - x^{2}Find f(5) if f(x) = x + 1/2 - Identity

123456789 = 100 Use only three plus or minus characters to correct previous identity/equation.

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