Check up Test No. 2

1. What do you call the different arrangements of the objects of a group?

• Selection

• Fundamental Counting Principle

• Permutation

• Combination

2. Which situation illustrates permutation?

• forming a committee of councilors

• selecting 10 questions to answer out of 15 questions

• choosing 2 literature books to buy from a variety of choices

• assigning rooms to conference participants

3. It is the selection of objects from a set.

• Combination

• Differentiation

• Permutation

• Fundamental Counting Principle

4. Which of the following situations illustrates combination?

• arranging books in a shelf

• drawing names from a box containing 200 names

• forming different numbers from 5 given digits

• forming plate numbers of vehicles

5. Which of the following situations does NOT illustrate combination?

• selecting fruits to make a salad

• assigning telephone numbers to homes

• choosing household chores to do after classes

• selecting posters to hang in the walls of your room

6. Which of the following expressions represents the number of distinguishable permutations of the letters of the word CONCLUSIONS?

• 11!

• 11! ÷ 8!

• 11! ÷ (2! 2! 2!)

• 11! ÷ (2! 2! 2! 2!)

7. A certain restaurant allows you to assemble your own vegetable salad. If there are 8 kinds of vegetables available, how many variations of the salad can you make containing at least 5 vegetables?

• 56

• 84

• 93

• 96

8. How many different 3-digit numbers can be formed from the digits 1,3,4,6,7,8,9 if repetition of digits is not allowed?

• 840

• 720

• 360

• 210

9. Miss Cruz plotted some points on the board, no three of which are collinear. When she asked her student to draw all the possible points, he came up with 45 lines. How many points were on the board?

• 10

• 9

• 8

• 7

10. If x = P(7,4), y = P(8,4), and z = P(9,3), arrange x, y, and z from smallest to greatest.

• x, y, z

• z, x, y

• y, x, z

• x, z, y