Combinatorial number - math word problems - page 15 of 16
Number of problems found: 312
- The camp
At the end of the camp, a 6 friends exchanged addresses. Any friend gave their remaining 5 friends their card. How many addresses did they exchange? - Pairs
Teachers must choose one pair of boys and girls from the five girls and four boys. A) How many such pairs of (M + F)? B) How many pairs were only boys (M + M)? C) How many are all possible pairs? - Fish tank
A fish tank at a pet store has 27 zebrafish. In how many different ways can George choose 2 zebra fish to buy? - Combinatorics
The city has 7 fountains. Works only 6. How many options are there that can squirt? - Circles
How many different circles are determined by 14 points at the plane if 3 of them lie in a straight line? - Trinity - triads
How many different triads can be selected from group 36 students? - Weekly service
There are 29 pupils in the class. How many opportunities has the teacher randomly selected for two pupils to have a week-class service? - Stacks
Annie has a total of $ 414. The money must be divided into stacks so that each buyer has the same amount. How many options does she have? - MATES
In MATES (Small Television tipping), from 35 random numbers, five winning numbers are drawn. How many possible combinations are there? - Cards
How many ways can you give away 32 playing cards to 7 player? - Cinema
How many ways can 11 free tickets to the premiere of "Jáchyme throw it in the machine" be divided between 6 pensioners? - Committees
How many different committees of 2 people can be formed from a class of 21 students? - Commitee
A class consists of 12 males and 15 females. How many committees of 6 are possible if the committee must consist of 4 males and 2 females? - Candy
How many ways can 10 identical candies be divided among 5 children? - Count of triangles
On each side of an ABCD square is 10 internal points. Determine the number of triangles with vertices at these points. - Chocolates
In the market, we have 3 kinds of chocolates. How many ways can we buy 8 chocolates? - Sales
From statistics of sales goods, item A buys 77% of people, and item B buys 58% of people. What is the probability that from 15 people buy 8 item A and 7 item B? - Lines
How many points will intersect 27 different lines where no two are parallel? - Hockey
The hockey match ended 8:10. How many different matches could be? - Calculation of CN
Calculate: (486 choose 159) - (486 choose 327)
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