Activity 1: PERMUTATION

There are 6 balls of different colors in bag. Four of them are taken out and arranged in a row. How many ways can the four balls be arranged?

• 360

• 720

• 920

• 640

In a game show, a contestant has to correctly guess a four-digit code to open the door that contains the prizes. The digits of the code are taken from the digits 0 - 7. In how many ways can four-digit code be formed?

• 1 120

• 2 404

• 1 680

• 2 480

How many ways can a modified true or false test with 10 items be answered if the choices are always true, sometimes true, and never true and no item is left unanswered?

• 6 080

• 5 040

• 1 210

• 1 980

How many ways can the first, second, and third prize winners of a song writing contest can be chosen from among 10 finalists?

• 120

• 320

• 520

• 720

How many ways can the chairman and the co-chairman of the organizing committee for the school fair be chosen from among 8 nominees for the positions?

• 78

• 82

• 56

• 92

Suppose that in a certain association, there are 12 selected members of the Board of Directors. In how many ways can a president, vice president, a secretary, and a treasurer be selected from the board?

• 15 120

• 11 880

• 12 290

• 13 160

A dress-shop owner has 8 new dresses that she wants to display in the window. If the display window has 5 mannequins, in how many ways can she dress them up?

• 4 830

• 5 940

• 6 720

• 7 610

In a town fiesta singing competition with 12 contestants, in how many ways can the organizer arrange the first three singers?

• 1 716

• 990

• 132

• 1 320

The product of a positive integer n and all the positive integer less than it is

• powers of n

• multiples of n

• n - factors

• n factorial

What is the value of 9!

• 362 880

• 256 720

• 143 830

• 425 650