3RD QUARTER PRE-ASSESSMENT

Choosing a subset of a set is an example of

• A. combination

• B. differentiation

• C. integration

• D. permutation

Which of the following situations or activities involve permutation?

• A. matching shirts and pants

• B. forming different triangles out of 5 points on a plane, not three of which are collinear.

• C. assigning telephone numbers to subscribers.

• D. forming a committee from the members of club.

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

• A. powers of n          

• B. multiples of n

• C. n - factors

• D. n factorial

Two different arrangements of objects where some of them are identical are called _______.

• A. distinguishable permutations

• B. unique combinations

• C. circular permutations

• D. circular combinations

How many different 4-digit even numbers can be formed from the digits 1, 3, 5, 6, 8, and 9 if no repetition of digits is allowed?

• A. 1680

• B. 840

• C. 420

• D. 120

In how many ways can 8 people be seated around a circular table if two of them insist on sitting beside each other?

• A. 360

• B. 720

• C. 1440

• D. 5040

Find the number of distinguishable permutations of the letters of the word PASS.

• A. 4

• B. 12

• C. 36

• D. 144

Ms. Santos asked Renz to draw all the diagonals of a certain polygon on the blackboard. Renz was able to draw 27 diagonals which his teacher declared correct. What was the given polygon?

• A. pentagon

• B. hexagon

• C. nonagon

• D. decagon

Ms. De Leon wants to produce different sets of test questions for her essay test. If she plans to do this by putting together 3 out of 5 questions she prepared, how many different sets of questions could she construct?

• A. 10

• B. 20

• C. 60

• D. 80

If P(9, r) = 3024, what is r ?

• A. 2

• B. 4

• C. 5

• D. 6