
11-1B (Participation)
Authored by Patrick Ramp
Mathematics
9th - 12th Grade
Used 4+ times

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26 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the value of 8!
40320
36
362880
5040
Answer explanation
Use a calculator
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A lock has four dials. On each dial are the digits 0 to 9. How many possible "combinations" are there?
Answer explanation
This is a FCP problem because you can repeat
10 - first dial
10 - second dial
1 0 - third dial
10 - fourth dial
Tomorrow you will learn that the term "combination" is not correct.
3.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
How many ways can you choose a manager and assistant from a 9-person task force?
Answer explanation
Solve using FCP
9*8
or
Solve using nPr
9P2 or nPr(9,2)
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
How many three-digit counting numbers are there?
990
900
999
1000
Answer explanation
This is a FCP problem because it allows repeats
9 - 1st digit (can't be 0)
10 - 2nd digit
10 - 3rd digit
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A briefcase has a five-digit combination lock. The second digit in the combination is 5. At most how many different combinations must we try if we want to open the lock?
1000
10000
100000
99999
Answer explanation
This is a FCP problem because numbers CAN be repeated
10 - 1st digit
1 - 2nd digit (5)
10 - 3rd digit
10 - 4th digit
10 - 5th digit
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Ivan has 4 different math books, 2 different biology books and 3 different physics books. In how many different ways can Ivan arrange his books in three different file holders, if each holder is for a different subject?
4.2.3
4!.2!.3!
4!.2!.3!.3!
4 + 2 + 3
Answer explanation
4! - math books
2! - biology books
3! - physics books
3! - which bin for which books
7.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
Answer explanation
Use calculator
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