Three players play a total of 9 games. In each game, one person wins and the other two lose; the winner gets 2 points and the losers get -1 each. The number of ways in which they can play all the 9 games and finish each with a zero score is

If 36 games were played at a chess tournament with each contestant playing once aginst each of the other then the number of participants is

In each of a set of games it is 2 to 1 in favour of the winner of the previous game. The chance that the player who wins the first game shall win three at least of the next four is

If in a chess tournament each contestant plays once against each of the other and in all 45 games are played, then the number of participants, is

If in a chess tournament each contestant plays once against each of the other and in all 45 games are played, then the number of participants, is

153 games were played at a chess tournament with each contestant playing once against each of the others.The number of participants is

66 games were played in a tournament where each player is placed against the rest. The number of players is :

Two women and some men participated in a chess tournament in which every participant played two games with each of the other participants. If the number of games that the men played between themselves exceeds the number of games that the men played with the women by 66, then the number of men who participated in the tournament lies in the interval