More Q16-Q25

4. Which of the following is not a multiple of 5?

12. A regular tetrahedron is a polyhedron with four faces, each of which is an equilateral triangle, as shown. A solid regular tetrahedron is cut into two pieces by a single plane cut.

Which of the following could *not *be the shape of the section formed by the cut?

↑

Back to the top

Back to the top