Question

6) Ana, Bogdan, Carmen, Doru si Ion se asaza pe un singur rand astfel incat :
I. Bogdan se afla in stanga Anei,
II. Doru si Ion stau unul langa celalat,
III. Ana si Carmen stau una langa cealalta,
a) gasiti 3 aranjari permise in conditiile date.
b) gasiti 3 aranjari care nu satisfac I, II, III.
c) cate aranjari respecta conditiile date?
Alcatuiti variante ale acestei probleme.

Answer 1

a) Bogdan-Ana-Carmen-Doru-Ion
    Bogdan-Ana-Carmen-Ion-Doru
    Doru-Ion-Bogdan-Ana-Carmen

b)  Ana-Bogdan-Carmen-Ion-Doru
     Ion-Ana-Carmen-Doru-Bogdan
     Ion-Ana-Doru-Carmen-Bogdan

c) 4