Magyarország: Unified final exam for high schools - Mathematics - intermediate level [09.05.2017.]
MR-401 / 2.

The second member of a geometric series is 6, the third member is 18. Enter the fifth member of the series!

MR-403 / 3.

Members of a six-person table company: Anna, Balázs, Cili, Dezső, Egon and Fruzsina. Each of them knows exactly three other people in the company. Cili knows Dezső and Egon, and Anna doesn't know either Balázs or Dezső.

Illustrate the familiar relationships of the company with a graph! (All acquaintances are mutual.)

MR-404 / 5.

In the assignment instructions below, enter the letter that assigns 0 to 4 and 2 to 0!

A:x2x+4  B:A:x2x-4  C:x-2x+4  D:x-2x-4