- Five distinct points lie in a plane such that 3 of the points are on line l
and 3 of the points
are on a different line, m. What is the total number of lines that can
be drawn so that each
line passes through exactly 2 of these 5 points ?
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The first five terms of a sequence are shown here: 1, 2, 1, -1, -2…
After the second term, each term can be obtained by subtracting from the
previous term the term
before that. For example, the third term can be obtained by subtracting the
first term from the second term.
What is the sum of the first 36 terms of the sequence?
- The angles of a quadrilateral have measure 90°, 90°, 100° and n°.
What is n?
- All of the members of Club M also belong to Club P. Club P has exactly 20
members.
How many members in Club M?
- At a certain high school, 30 students study French, 40 study Spanish, and 25
study neither.
If there are 80 students in the school, how many study both French and Spanish?