Teacher Mey's Quiz 4

What do you call an arrangement or sequence of selections of objects from a single set?

• combination

• integration

• differentiation

• permutation

Which of the situations or activities involve permutation?

• matching shirts and pants

• assigning telephone numbers to subscribers

• forming a committee from the members of a club

• forming different triangles out of 5 points on a plane, no three of which are collinear

What do you call the two different arrangements of objects where some of them are identical?

• circular combinations

• circular permutations

• permutations with repetition

• permutation without repetition

What do you call the product of a positive integer n and all the positive integers less than n?

• powers of n

• multiples of n

• n – factors

• n factorial

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

• 360

• 720

• 1 440

• 5 040

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

• 360     

• 420

• 840

• 1 680

How many distinguishable permutations of the letters of the word STATISTICS?

• 10 080

• 20 160

• 40 320

• 50 400

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

• 132     

• 990     

• 1 320

• 1 716

What do you call to the selection of objects regardless of their order?

• combination

• differentiation

• integration

• permutation

Which of the following experiments will determine that order is NOT important?

• Selecting the top 3 winners in Math Quiz Bowl.

• Setting a 4-digit code in a vault.

• Buying 3 out 7 designs of face mask.

• Assembling a jigsaw puzzle.