Combinatorial number + line - practice problems
Number of problems found: 12
- The chief
The chief fisherman Peter estimates that if he uses four lines, then the probability of making a catch on one line is 0.7. If he uses five lines, then the probability of making a catch on any line is 0.6. If he uses six lines, the probability of making a - Arbitrary 69194
There are ten arbitrary points in the plane. How many circles can we make from them? - Draw a triangle
We have line segments with lengths of 3cm, 5cm, 6cm, 7cm, and 9cm. What is the probability in % that if I randomly select three of them, I will be able to draw a triangle? - Points in space
There are n points, of which no three lie on one line and no four lies on one plane. How many planes can be guided by these points? How many planes are there if there are five times more than the given points?
- Determined 16233
How many lines are determined by 5 points if three lie in one line? - Lines
How many lines can be drawn with 8 points if three points lie on one line and the other any three points do not lie on the same line? - Intersect 5216
At how many points do ten lines intersect if no two are parallel? - Points in plane
The plane is given 12 points, 5 of which are located on a straight line. How many different lines could be drawn from these points? - Determined 3570
There are 12 points in space, with no three lying on a straight line. How many different planes are determined by these points?
- Intersection of the lines
How many points do nine lines intersect in a plane, of which four are parallel, and of the other five, no two are parallel (and if we assume that only two lines pass through each intersection)? - Circles
How many different circles are determined by 11 points at the plane if 7 of them lie in a straight line? - Lines
How many points will intersect 14 different lines where no two are parallel?
We apologize, but in this category are not a lot of examples.
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