12 teams play in a competition. Each team plays each other team exactly once.
(b) Work out the total number of games played.

Total number of games = 66

Step-by-step explanation:

Given:

Total number of teams = 12

Each team plays each other team exactly once.

Find:

Total number of games.

Computation:

We can say that, it is a combination problem

So,

Total number = 12

1 match = 2 team

Total number of games = ¹²C₂

Total number of games = 12! / (2! × 10!)

Total number of games = 66

60%

step-by-step explanation:

a cube has 6 sides

the probability of getting 5 on the first cube is 1/6 since only one side of the cube has 5 on it.

there are 3 sides of the cube with even number on it [2,4,6]

therefore the probability of getting even number is 3/6

for both events to happen together, the probability would be

1/6 x 3/6 = 12/36

which simplifies to 1/12