In case of 2-person zero sum game
(i) there is always equilibrium in pure strategy.
(ii) the number of strategies may be different for the players.
(iii) all the cell values may be negative.
(iv) the players need not behave in a rational way.
1
(i) and (ii) are true
2
(ii) and (iii) are true
3
(ii) and (iv) are true
4
(i), (ii) and (iii) are true