# Reason - high school - math problems

#### Number of problems found: 310

- Big factorial

How many zeros end number 116! ? - Research in school

For particular research in high school, four pupils are to be selected from a class with 30 pupils. Calculate the number of all possible results of the select and further calculate the number of all possible results, if it depends on the order in which th - Variable

Find variable P: PP plus P x P plus P = 160 - Hockey

Hockey match ended 8:2. How many different matches could be? - Dice

We throw five times the dice. What is the probability that six fits exactly twice? - Competition

15 boys and 10 girls are in the class. On school competition of them is selected 6-member team composed of 4 boys and 2 girls. How many ways can we select students? - Tricolors

From the colors - red, blue, green, black and white, create all possible tricolors. - Lottery

The lottery is 60000 elk in which 6200 wins. What is the probability that the purchase of 12 elks won nothing? - Lunch

Seven classmates go every day for lunch. If they always come to the front in a different order, will be enough school year to take of all the possibilities? - Word MATEMATIKA

How many words can be created from the phrase MATEMATIKA by changing the letters' order, regardless of whether the words are meaningful? - Fruits

In the shop sell 4 kinds of fruits. How many ways can we buy three pieces of fruit? - Bouquets

In the flower shop they sell roses, tulips and daffodils. How many different bouquets of 5 flowers can we made? - Compound interest

Calculate time when deposit in the bank with interest 2.5% p.a. doubles. - Chess

How many different ways can initiate a game of chess (first pass)? - Diofant equation

250x + 120y = 5640 - Circles

How many different circles is determined by 9 points at the plane, if 6 of them lie in a straight line? - One three

We throw two dice. What is the probability that max one three falls? - Lines

In how many points will intersect 14 different lines, where no two are parallel? - Subsets

How many 19 element's subsets can be made from the 26 element set? - Consecutive numbers

Sum of ten consecutive numbers is 105. Determine these numbers (write first and last).

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