CMAT 2013 Solved Question Paper

Question : 20 of 100

Marks: +1, -0

In a badminton tournament each player played one game with all the other players. How many players participated in the tournament, if they played 105 games in all?

35
12
15
None of these

Validate

Solution:

(c)

^nC_2

= 105, where n is the number of players
⇒

{n(n- 1)}/2

= 105
∴ n = 15

Go to Question:

Prev Question

Next Question