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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
    children_16 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
    age_4 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
    children2_1 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
    penize_45 At what rate percent will Rs.2000 amount to Rs.2315.25 in 3 years at compound interest?
  • Walkers
    walker 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
    linear_eq_4 Find g(1) if g(x) = 3x - x2 Find f(5) if f(x) = x + 1/2
  • Identity
    numbers_49 123456789 = 100 Use only three plus or minus characters to correct previous identity/equation.

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